Question

how do u simplify indices with 1/2 , 1/3 , 2/3.. and what do you do if its negative _> -1/2 for e.g

Answer 1

@Martinaa You first solve all the positive ones. After the answer you get by solving the positive ones,you subract it with it. Getting me? Subract is same as,You just have to subract values. :)

Answer 2

what would 27^-1/3 be?

Answer 3

@Mars123 http://www.wolframalpha.com/input/?i=27%5E-1%2F2 :D