# What is the square root of 2 times the square root of 15?

$\sqrt{2} \times \sqrt{15}$
$\textcolor{w h i t e}{\text{XXXX}}$$= \sqrt{2 \times 15} = \sqrt{30}$
$\textcolor{w h i t e}{\text{XXXX}}$square root of 2 times the square root of 15 $= \pm \sqrt{30}$