Question

√64= A. 16 B. 8 C. 7 D. 9

Answer 1

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.