Multiplying Decimals by Powers of 10

100 x 0.78 = ____ 

• 0.078

• 780

• 0.78

• 78

62.08 x 1000 =

• 62,080

• 0.6208

• 620.8

• 6,208.0

2.765 × 10 ⁴ =

• 27.65

• 27650

• 276500

• 276.5

When you multiply a decimal number by a power of ten the decimal should move to the _______.

• left

• right

• middle

When multiplying a decimal number by a power of ten, the exponent (or the 0's in the power of ten) will tell you______________________________.

• How many zeros you will have in your answer

• How many digits will be in the answer

• The number of places to move your decimal to the LEFT

• The number of places to move your decimal to the RIGHT

• 1 place to the right

• 1 place to the left

• 2 places to the right

• 2 places to the left

80.72 x 10³ =

• 80,720

• 8,072

• 807,200

• 807.20

5.8 x 100

• 580

• 5.8

• 5,800

• .58

17.5 x 1000

• 1.75

• 175

• 17,500

• 0.175

7.129 × 100 = 

• 712.9

• 71.29

• 0.7129

• 0.07129