2-8 Multiplying a Power of Ten by a Whole Number

4 10 = ___________________

4 100 = ___________________

4 1,000 = ___________________

4 10,000 = __________________

4 100,000 = _________________

4 1,000,000 = ________________

Write a sentence to explain the pattern you notice.

Try some.1.) 100 6 = 4.) 55 1,000 =

2.) 9 10,000 = 5.) 48 10,000 =

3.) 27 100,000 = 6.) 100 349 =

Multiplying a decimal by a power of ten

4.2 10 = ___________________4.2 100 = ___________________4.2 1,000 = ___________________4.2 10,000 = __________________4.2 100,000 = _________________4.2 1,000,000 = ________________

Write a sentence to explain the pattern you notice.

Write the steps to follow when multiplying by a power of ten.1.) ________________________________________

2.)________________________________________

Let’s try some!

1.) 1,000 2.9 =  2.)10,000 7.84 =

3.)100 8.69 =  4.) 1,000 4.2=

101 = _____________________________

102 = _____________________________

103 = _____________________________

104 = _____________________________

105 = _____________________________

106 = _____________________________

Write a sentence to describe the pattern you noticed.

Exponent Review:

Scientific Notation - A number is written in scientific notation, when it is written as a product (multiplication) of a number between 1 and 10 and a power of ten.

2-8 Scientific Notation

2.6103   

Number between 1 and 10

Power of ten

Write each number in standard form. 

1.) 4 103 ________ 2.) 7 104 ___________

3.) 4.6 102 _______ 4.) 8.21 107 ________

5.) 1.72 101 ______ 6.) 9.01 105 ________

7.) 3.67 105 ______ 8.) 8.2 106 _________ 

Write each number in scientific notation.

9.) 23,000_____________________________ 

10.) 4,000 _____________________________

11.) 1,800 _____________________________  

12.) 45,000,000 _________________________

13.) 7,980,000 __________________________ 

14.) 9,056,000 __________________________