indicies

Question 1

4^2/3?

Answer 1

= (sqrt4)^3 = 2^3 = 8

Question 2

x^-a?

Answer 2

1/x^a

Question 3

x^a/b?

Answer 3

(brootx)^a

Question 4

x^-a/b?

Answer 4

1/(brootx)^a