Multiplying and Dividing Whole Numbers by Powers of 10

9 x 10²

• 90

• 9,000

• 9

• 900

Match the math word "power of 10" with its correct definition.

• A number written in base ten

• A number that can be written as a product of tens

• an operation used to find the total number of items in equal-sized groups

• a ten-digit number system that uses place value to record numbers

Match the math word "base ten" with its correct definition.

• A number system based on 8

• A number system based on 2

• A number system based on 10

• A number system based on 16

When multiplying by a power of ten, the decimal point moves  _______ .

• left

• up

• down

• right

When dividing by a power of ten, the decimal place moves__________.

• up

• left

• right

• it does not move

0.8 x 10³

• 800

• 8,000

• 0.8000

• 80

10³ = _____

• 30

• 3,000

• 10

• 1,000

What is the meaning of 10³?

• 10 x 3

• 10 + 10 + 10

• 10 + 3

• 10 x 10 x10

What number is 100 times greater than 70?

• 700

• 700

• 7,000

• 7

Which number is 1/10 as much as 9,000?

• 90

• 900

• 9

• 0.9