Decimals and Powers

When you divide a number by a power of ten, the number will get _________.

• smaller

• bigger

• stay the same

2.34 ÷ 10¹

• 0.234

• 2.34

• 23.4

• 0.0234

72.5 ÷ 10³

• 7.25

• 0.725

• 0.0725

• 725

Moving the decimal to the right means the number will get __________.

• larger

• smaller

• stay the same

What is 10⁵?

• 10 x 10 x 10

• 10 x 10 x 10 x 10

• 10 x 10 x 10 x 10 x 10

• 10 x 10 x 10 x 10 x 10 x 10

10⁷ =

• 10 x 10 x 10

• 10 x 10 x 10 x 10

• 10 x 10 x 10 x 10 x 10 x 10

• 10 x 10 x 10 x 10 x 10 x 10 x 10

Express the following number as powers of ten:
1

• 10¹

• 10^-1

• 10⁰

• It cannot be expressed in powers of ten.

What power of 10 did you multiply by to go from 3.591 to 359.1?

• 10

• 1000

• 100

• 1

89.73 ÷ 100

10,000

• 10¹

• 10²

• 10³

• 10⁴