# How do you multiply 4sqrt(10^2)?

Sep 16, 2015

40

#### Explanation:

$4 \cdot \sqrt{{10}^{2}} = 4 \cdot 10 = 40$
If you meant to ask the 4th root of ${10}^{2}$, then it becomes ${10}^{\frac{2}{4}} = \sqrt{10} = 3.16$

Sep 16, 2015

$40$

#### Explanation:

$4 {\sqrt{10}}^{2}$

$= 4 \cdot 10$

$= 40$