Multiplying and Dividing by the Power of 10

When multiplying or dividing by a power of ten, how do you know how many place values to move the decimal?

43.2 x 10³

• 4.320

• 432

• 4,320

• 43,200

107 ÷ 10³

• 1.07

• .107

• 107,000

• 10.7

Select the equivalent expression for 10^5

• 10 x 10 x 10 x 10

• 100,000

• 50

• 15

243 x 10²

• 2,430

• 243

• 24,300

• 2.43

17.8 x 0.01

• 0.178

• 0.0178

• 178

• 1.78

What is another way to write 10 x 10 x 10 x 10 ?

• 10⁴

• 1,000,0000

• 40

• ⁴10

What does 10³ stand for?

• 10 x 3

• 10 + 10 + 10

• 10 x 10 x 10

• 10 x 30

14.08  ÷ 10=

• 1.408

• 140.8

• 14.08

• 1.480

214.5 x 0.001

• 2,145

• 2.145

• 0.2145

• 0.02145