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Algebra 1 of 4 - Unit 6 - Day 5 - Mutliplying Dividing w ... · 9.04.2015 · Algebra 1 of 4 Unit 6...
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Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
Algebra I 04/14/16Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
DO NOWDetermine whether or not each of the following is in scientific notation. If it is not, put it in scientific notation.1) 5.39 x 104
2) .486 x 103
3) 8 x 109
4) 10 x 105
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
1) 5.39 x 104
2) 4.86 x 103
3) 8 x 109
4) 10 x 105
4.86 x 102
1 x 104
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
200–400 billion stars
Milky Way Galaxy
The most current estimates guess that there are 100 to 200 billion
galaxies in the Universe
Universe
Question : Approximately how many stars are there in the universe?Scientific Notation
Question of the Day
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
Multiplying Numbers in Scientific Notation(7 x 102) (4 x 105)
= 28 x 107
**since this is all multiplication, does it matter what order we multiply the numbers in?
Commutative property of multiplication
Question: What is wrong with this answer?
( 7 x 4 ) ( 102 x 105)
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
0.5(1.2 x 103) = (0.5 1.2) x 103 = 0.6 x 103
(2.8 x 107)(4.3 x 103)
(2 x 104)(4 x 105)
Question : What is wrong with this solution?
Find each product in scientific notation1) 2)
Fix it with a partner
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
(2 x 104)(4 x 105) = (2 x 4) x (104 x 105) = 8 x 109
(2.8 x 107)(4.3 x 103)
1) Solutions
2)
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
Dividing Numbers in Scientific Notation 2 x 103
8 x 108
2 8
0.25 x 105
=
=
x 10 38
Last Step????
7.1 x 107 5 x 102
1)
2)
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
7.1 x 107 5 x 102
1)
2)
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
How do we multiply and divide expressions in scientific notation?
7.1 x 107 5 x 102
(2.8 x 107)(4.3 x 103)
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
Exit Slip1) Write in scientific notation
0.000034
2) Write in correct scientific notation14.5 * 105
3) Find the quotient of 4.2*106 and 8.4*103
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
Exit Slip1) Write in scientific notation
0.000034
2) Write in correct scientific notation14.5 * 105
3) Find the quotient of 4.2*106 and 8.4*103
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
200–400 billion stars
Milky Way Galaxy
The most current estimates guess that there are 100 to 200 billion
galaxies in the Universe
Universe
Question : Approximately how many stars are there in the universe?Scientific Notation
Question of the Day ReVisited
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
# galaxies * # of stars per galaxy = total # of stars in the universe
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
Aim: How Do We Multiply & Divide with Scientific Notation?HW#90: Operations in Scientific Notation
Algebra 1 of 4 Unit 6 Day 5 Mutliplying _ Dividing w Sci Notation.notebook
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April 12, 2016
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