# How do you simplify sqrt3*sqrt7?

##### 2 Answers
Oct 13, 2017

$\sqrt{21}$

#### Explanation:

$\sqrt{3} \cdot \sqrt{7} = \sqrt{3 \cdot 7} = \sqrt{21}$

Oct 13, 2017

I think that you can write it as $\sqrt{21}$, but that's all.

#### Explanation:

Since 21 can't be divided by squares that equal to natural numbers.