Dividing and Multiplying Decimals by Powers of 10

What is 8.04 × 10¹?

• 0.804

• 8.04

• 80.4

What is 0.738 × 10⁴?

• 0.738

• 73.80

• 738.0

• 7,380

Choose all equations that are true.

• 9.21 x 10³ = 921

• 9.21 x 10³ = 9,210

• 0.921 x 100 = 921

• 0.921 x 10⁴ = 9,210

• 0.0921 x 10² = 9.21

What is 82.68 ÷ 1,000?

• 0.08268

• 0.8268

• 8.268

Sandy plans on making 100 cookies that are the same size from 212.7 ounces of dough. How many ounces of dough should make up each cookie?

8.23 ÷ ____ = 0.00823

• 10¹

• 10²

• 10³

• 10⁴

Michelle says that 4,902 ÷ 1,000 is the same as 4,902 ÷ 10³. Is this true or false?

• True

• False

What is 3.5 multiplied by 10?

• 45

• 35

• 15

• 25

What is 0.75 divided by 10?

• 7.5

• 0.75

• 0.075

• 0.0075

What is 2.8 multiplied by 100?

• 280

• 28

• 2800

• 2.8