Reviewing Powers and Decimal Movement

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8,000

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1.2

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0.3

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30

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100

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Define 'Power of Ten'.

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A power of ten is a number expressed as ten raised to an exponent, indicating how many times to multiply ten by itself.

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What does moving the decimal point to the right do to a number?

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It increases the value of the number.

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What does moving the decimal point to the left do to a number?

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It decreases the value of the number.

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1

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The decimal point moves n places to the right.