Multiply and Divide Decimals by Power of Tens

When dividing with decimals it is important to multiply both numbers by a power of ten equal to the number with the most decimal places, then divide.

• True

• False

Hadeel went to the bookshop and bought 10 copybooks for AED 28.24. How much did she spend for each copybook?

• AED 2.824

• AED 28.24

• AED 282.4

• AED 2824

5.6 ÷ 10 =

• 56

• 0.056

• 0.56

• 0.0056

9.13 ÷ 10³ =

• 0.913

• 913

• 0.00913

• 0.0913

.75 x 10 =

• .75

• 7.5

• 75

• .075

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

• A

• B

• C

• D

7.44 x 1,000

• 7,440

• 744

• 7.44

• 74,400

Solve.
9.6 x 10

• 960

• 96

• .096

• 9.6

What is 10x the decimal shown?

• 50

• 0.5

• 5

• 0.05