Question

Find the square root of $64$

Answer 1

$64=\underset{}{2\times 2}\times \underset{}{2\times 2}\times \underset{}{2\times 2}=2^2\times 2^2\times 2^2$
$\sqrt{64}=\sqrt{2^2\times 2^2\times 2^2}=2\times 2\times 2=8$
$\sqrt{64}=8$