SOLUTION: I have the following and this is what I came up with. 27^-2/3 27^-1/3 = 27^-2/3 - -1/3 = 27-3/3 = sqrt 27 is the above correct?

Algebra ->  Radicals -> SOLUTION: I have the following and this is what I came up with. 27^-2/3 27^-1/3 = 27^-2/3 - -1/3 = 27-3/3 = sqrt 27 is the above correct?       Log On


   

Question 939085: I have the following and this is what I came up with.
27^-2/3
27^-1/3
= 27^-2/3 - -1/3 = 27-3/3 = sqrt 27
is the above correct?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
27%5E%28-2%2F3%29+=++1%2Froot%283%2C+27%29%5E2 = 1/9
...
IF...this is Your Question:
27^(-2/3)/27^(-1/3) = 27^(-1/3) = 1/9
...
x%5Em%2Fx%5En=x%5E%28m-n%29