Math1003 1.14 - Scientific Notation

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Transcript of Math1003 1.14 - Scientific Notation

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

1.14Scientific Notation

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Goal

To be able to write in and understand the difference between decimal notation and scientific notation.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Big numbers

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Big numbers

“The distance from the earth to the moon is approximately 46,000,000,000 centimeters.”

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Big numbers

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Big numbers

“There are roughly 100,000,000,000,000,000,000 stars in the universe.”

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Small numbers

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Small numbers

“It takes approximately 0.00000000008 seconds for light to travel 1 inch.”

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Small numbers

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Small numbers

Intel has moved their chip manufacturing to 0.000000032 (32nm) technology.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

46,000,000,000

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

46,000,000,000100,000,000,000,000,000,000

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

46,000,000,000100,000,000,000,000,000,000

0.00000000008

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

46,000,000,000100,000,000,000,000,000,000

0.000000000080.000000032

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

46,000,000,000100,000,000,000,000,000,000

0.000000000080.000000032

we’ve developed scientific notation to deal with these types of numbers.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

4.6 x 109

100,000,000,000,000,000,0000.000000000080.000000032

we’ve developed scientific notation to deal with these types of numbers.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

4.6 x 109

1020

0.000000000080.000000032

we’ve developed scientific notation to deal with these types of numbers.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

4.6 x 109

1020

8.0 x 10-11

0.000000032

we’ve developed scientific notation to deal with these types of numbers.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Writing Big and Small Numbers

Instead of writing

4.6 x 109

1020

8.0 x 10-11

3.2 x 10-8

we’ve developed scientific notation to deal with these types of numbers.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3476

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3476

this number is in decimal notation

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3476 x 100

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3476 x 100

remember that 100 is equal to 1

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 100.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 100.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 100.

as we move the point to the left, we add 1 to the exponent

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 101.

as we move the point to the left, we add 1 to the exponent

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 101.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 101.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 101.

we add 1 to the exponent

everytime we move the point to the

left

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 102.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 102.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 103.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 103.

there has to be one non-zero

significant digit to the left of the point

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

34760 x 103.

trailing zeroes are omitted

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3476 x 103.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3476 = 3476 x 103.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023.

this number is in decimal notation

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 100.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 100.

as we move the point to the right, we subtract 1 from the exponent

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-1.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-1.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-2.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-2.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-3.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-3.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-4.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-4.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-4.

there has to be one non-zero

significant digit to the left of the point

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-4.

leading zeroes are omitted

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 x 10-4.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

000023 = 23 x 10-4..

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

.1

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

.1 2

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

.1 2 3 4 5 6 7

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

.1 2 3 4 5 6 7

we had to move the point seven places

to the right

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

.1 2 3 4 5 6 7

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437.

Where do we want the point - between which two numbers?

.1 2 3 4 5 6 7

since we moved the point 7 spaces to the right, our exponent will

be -7

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437 x 10-7.

since we moved the point 7 spaces to the right, our exponent will

be -7

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437 x 10-7.

since we moved the point 7 spaces to the right, our exponent will

be -7

we don’t need to write the leading

zeroes

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437 x 10-7.

we don’t need to write the leading

zeroes

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

00000001437 =1437 x 10-7.

.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

This Google’s net income in US dollars in 2006.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

Where do we want the point - between which two numbers?

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

Where do we want the point - between which two numbers?

.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

Where do we want the point - between which two numbers?

.1

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

Where do we want the point - between which two numbers?

.123456789

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

Where do we want the point - between which two numbers?

.1

we had to move the point nine places

to the left

23456789

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000

Where do we want the point - between which two numbers?

.1

since we moved the point to the left, our exponent will be

9

23456789

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000 x 109

Where do we want the point - between which two numbers?

.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000 x 109

Where do we want the point - between which two numbers?

.

we don’t need to write the trailing

zeroes

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000 x 109

Where do we want the point - between which two numbers?

.

we don’t need to write the trailing

zeroes

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000 x 109

Where do we want the point - between which two numbers?

.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077 x 109.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

3077000000 =3077 x 109.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2.3 x 106.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2.3 x 106.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2.3 x 106.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2.3 x 106.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2.3 x 106.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

23 x 105.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

230 x 105.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2300 x 104.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

23000 x 103.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

230000 x 102.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2300000 x 101.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

23000000 x 100.

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

2300000

This represents an estimate of the number of servers in Google’s server farms around the world.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

12 x 10-5.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

12 x 10-5

This represents the size of an influenza virus (in centimeters).

.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

12 x 10-5

This represents the size of an influenza virus (in centimeters).

.

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-5

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-5

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-4

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-4

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-3

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-3

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-2

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-2

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-1

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

0000012 x 10-1

And back to Decimal Notation...

.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

0000012 x 100.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

And back to Decimal Notation...

0000012.

This represents the size of an influenza virus (in centimeters).

MATH1003

10110100101011010100101010111010101111011011101111011101110111101110111011110111111010110100101011110110110101111011010100111111011010100110101001

Scientific Notation

An understanding of scientific notation is necessary to understand computers because this is the way real

numbers are stored.