# How do you simplify #\sqrt{20}# without using a calculator?

##### 1 Answer

Apr 18, 2018

#### Answer:

Here's how I did it:

#### Explanation:

First, find a factor of

We know that the

Combine it:

If you actually needed to find the decimal value of this problem, you will need to use the calculator. If you plug it into the calculator, you will get

Hope this helps!