# What is the square root of 64/100?

Sep 9, 2015

#### Answer:

sqrt(64/100) = color(green)(4/5 = 0.8

#### Explanation:

In exponents, color(blue)(sqrt(a/b) = sqrta/sqrtb

Hence sqrt(64/100) = sqrt64/sqrt 100 = 8/10 = color(green)(4/5

PS:
$- \frac{4}{5}$ could also be the square root of sqrt(64/100, but by convention, we only choose the positive value