Multiplying and Dividing Whole Numbers by Powers of 10

56 × 10 ²

• 506

• 560

• 5060

• 5600

72 × 10 ³

• 72000

• 720

• 7200

• 0.072

432 x 100

• 4,320.

• 43,200.

• 4.3200

• 432.00

59 x 1000

• 59,000

• 5,900

• 590,000

• 590

Powers of Ten

When we multiply by powers of ten, we move the decimal to the ​ (a)   .

When we divide by powers of ten, we move the decimal to the ​ (b)   .

• right

• left

Multiply 47 by 1,000.

• 47000

• 4700

• 470

• 4.7

Multiply 321 by 100.

• 32100

• 3210

• 321

• 3.21

• A

• B

• C

• D

Julie noticed a pattern in this table. What is happening to the number in Column A to get the number in Column B?

• It is being increased 10 times

• It is being multiplied by 10

• It is being subtracted from 100

• It is being divided by 10

Multiply 234 by 1,000.

• 234000

• 23400

• 2340

• 23.4