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What expression is equivalent to 8^3 × 8^-7?A: 8^4B: 8^-4C: 8^10D: 8^-10
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What expression is equivalent to 8^3 × 8^-7?A: 8^4B: 8^-4C: 8^10D: 8^-10

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8^3*8^(-7)=8^{3+(-7)\text{ }}=8^(3-7)=8^(-4)

Option B is the answer.

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