Question

Find the square root of 256.

• A. 16
• B. 14
• C. 18
• D. 22

Answer 1

The correct option is A 16

The prime factors of $256=2\times 2\times 2\times 2\times 2\times 2\times 2\times 2$
Therefore, $\sqrt{256}=2\times 2\times 2\times 2=16$