04-4.2 Scientic Notation day 2.notebook - Plain Local Schools · 044.2 Scientic Notation day...

044.2 Scientic Notation day 2.notebook October 09, 2013

Bell Work


Homework (pp14)

Worksheet # 44BTime to Check It!!


HW


Objective: Use a calculatorto multiply and divide numberswritten in scientific notation.

Math Book page 179(pp15)


Students will learn to use a calculator to multiply and divide numbers written in scientific notation and show understanding through class work.

Learning Objective


Multiplying numbers in Scientific Notation

Rules for Multiplying:

Step 1: Multiply the coefficients (number between 1 and 10)

pp. 15

3.69


Rules for Multiplying:

Step 2: Add the exponents

pp. 15


Multiply.

Step 1: Multiply the coefficients (number between 1 and 10)

Step 2: Add the exponents

pp. 15


Dividing numbers in Scientific Notation

Rules for Dividing:Step 1: Divide coefficients

Divide.

pp. 15


Step 2: Subtract the exponents

Divide.Rules for Dividing:

pp. 15


Divide.

Step 1: Divide coefficientsStep 2: Subtract the exponents

pp. 15


pp. 16

(pp 16)


2nd x1EE


Use a calculator to find:Express all answers in scientific notation.


1. 4.5 x 1015 + 3.4 x 1014 = ________________

pp. 16

(pp 16)


2. 8.6 x 109 3.28 x 108 = ________________

pp. 16


3. (8 x 1013) (5.4 x 106) = ________________

pp. 16


4. (1.54 x 108) (5 x 1012) = ________________

pp. 16



Learning Objective


5. 6.4 x 1013 1.6 x 109 = _________________

pp. 16


6. 9.32 x 1020 2.7 x 1011 = ___________________ (Lead number to tenths)

pp. 16


7. 9 x 1016 4.53 x 1016 = __________________

pp. 16


8. 4.3 x 1023 + 2.15 x 1022 = ____________________

pp. 16


Write answer in scientific notation.

Solve.Suppose a piece of paper is 0.77mm thick. How thick is a stack of 10,000 pieces of paper?

pp. 16



Learning Objective


Complete page 180 to help you get ready for the QUIZ TOMORROW!!


Homework #18

WorksheetMultiplying/Dividing Numbers ...

Have a great day!!!

Technology Lab Recording Sheet

pp. 17

(pp 17)


The star Betelgeuse, in the constellation of Orion, is approximately 3.36 x 1015 miles from Earth. This is approximately 1.24 x 106 times as far as Pluto’s minimum distance from Earth. What is Pluto’s approximate minimum distance from Earth? Write your answer in scientific notation.

7.


8. If 446 billion telephone calls were placed by 135 million United States telephone subscribers, what was the subscriber?

04-4.2 Scientic Notation day 2.notebook - Plain Local Schools · 044.2 Scientic Notation day...

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