2( 1)3/2 (2)2 radical number 3 (3) radical number 2 (4) (2 radical number xy )/3y

3( 1) 14 (2)20 radical 3 (3) 3/7 (4) (radical a, radical b )/2c

The square root of 4( 1)4 6(2)240

5( 1)a=5 roots 2 (2)a= 1 1 roots 2.

6 (1) 0.012 (2) 3/2 (3) (root number 5)/30 (4) 15

7 root number 1/2≈0.707 root number 8=2 root number 2≈2.828