Square Root Simplification

Enter '.' for √ symbol. 28 questions. 3 minutes.
1
√72 =
2
√50 =
3
√200 =
4
√300 =
5
√48 =
6
√27 =
7
√45 =
8
√9 =
9
√125 =
10
√98 =
11
√180 =
12
√20 =
13
√36 =
14
√32 =
15
√100 =
16
√108 =
17
√8 =
18
√18 =
19
√75 =
20
√245 =
21
√147 =
22
√80 =
23
√4 =
24
√500 =
25
√25 =
26
√49 =
27
√16 =
28
√12 =