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?

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CCSS.5.NBT.A.2

43.2 x 10³

• 4.320

• 432

• 4,320

• 43,200

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CCSS.5.NBT.A.2

107 ÷ 10³

• 1.07

• .107

• 107,000

• 10.7

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CCSS.5.NBT.A.2

Select the equivalent expression for 10^5

• 10 x 10 x 10 x 10

• 100,000

• 50

• 15

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CCSS.5.NBT.A.2

243 x 10²

• 2,430

• 243

• 24,300

• 2.43

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CCSS.5.NBT.A.2

17.8 x 0.01

• 0.178

• 0.0178

• 178

• 1.78

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CCSS.6.NS.B.3

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

• 10⁴

• 1,000,0000

• 40

• ⁴10

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CCSS.5.NBT.A.2

What does 10³ stand for?

• 10 x 3

• 10 + 10 + 10

• 10 x 10 x 10

• 10 x 30

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CCSS.6.EE.A.1

14.08  ÷ 10=

• 1.408

• 140.8

• 14.08

• 1.480

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CCSS.5.NBT.B.7

214.5 x 0.001

• 2,145

• 2.145

• 0.2145

• 0.02145

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CCSS.5.NBT.B.7