# How would you simplify sqrt2*sqrt10?

##### 1 Answer
Feb 26, 2016

$\sqrt{2} \cdot \sqrt{10} = \sqrt{2} \cdot \sqrt{2} \cdot \sqrt{5} = 2 \sqrt{5}$

with the rule $\sqrt{a b} = \sqrt{a} \cdot \sqrt{b}$