## anonymous 5 years ago Simplify √20

1. anonymous

$sqrt{20}=sqrt{4\times 4}=\sqrt{4}\times \sqrt{5}=2\sqrt{5}$

2. anonymous

20 factors to be 4 * 5. Since the sq rt of 4 = 2. that would give you $2\sqrt{5}$

3. anonymous

lots o typos in my answer. sorry