Decimals and Powers of 10

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

Which of the following expressions is equivalent to 86,000

• 86 x 10³

• 8.6 x 10²

• 860 x 10

• 8,600 x 10²

10,000

• 10¹

• 10²

• 10³

• 10⁴

10⁶ =

• 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

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

10³ x 5.18 =

• 5.18

• 51.8

• 518

• 5,180

10¹ x 5.18 =

• 5.18

• 51.8

• 518

• 5,180

10² X 5.18 =

• 5.18

• 51.8

• 518

• 5,180