evaluate.

3 square root 81

(32)^3/5

64^2/3

4 square root 256

thanks

1. 3√81 = 3*9 = ?

2. 2*2*2*2*2 = 32, so (32)^3/5 = 2^3 = ?

3. 4*4*4 = 64, so ?

4. 16 = √256, so?