Question

The value of $\sqrt{32}\times \sqrt{64}$ is equal to:

• A. $32$
• B. $32\sqrt{2}$
• C. $64$
• D. $64\sqrt{2}$

Answer 1

The correct option is B $32\sqrt{2}$

$\sqrt{32}\times \sqrt{64}$

$=\sqrt{16\times 2}\times \sqrt{64}$

$=4\times \sqrt{2}\times 8=32\sqrt{2}$.

So, option $B$ is correct.