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√64= A. 16 B. 8 C. 7 D. 9
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√64= A. 16 B. 8 C. 7 D. 9

User Tahbaza
by
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1 Answer

2 votes

Answer:

B. 8

Step-by-step explanation:


64=8*8

We can write this in index form as:


64=8^2

Therefore:


\sqrt[]{64}=\sqrt[]{8^2}

On the right-hand side, the square root sign cancels the square, so we have:


\sqrt[]{64}=8

The correct choice is B.

User Hiroyo
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4.8k points
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