Question

What is the square root of 120

Answer 1

$\tt\sqrt{120}= \sqrt{4\cdot30}=\sqrt{4}\cdot\sqrt{30}=2\sqrt{30}\approx2\cdot5.5\approx11$

Answer 2

The square root of 20 is 2 square root 30 or in decimal form it would be 10.95445115