# What is the square root of 0.0081?

May 29, 2018

$0.09$

#### Explanation:

$\text{note that } 0.0081 = \frac{81}{10000}$

$\sqrt{\frac{81}{10000}} = \frac{\sqrt{81}}{\sqrt{10000}} = \frac{9}{100} = 0.09$