SOLUTION: Simplify 81^-1/2 X 8^2/3

Algebra ->  Exponents-negative-and-fractional -> SOLUTION: Simplify 81^-1/2 X 8^2/3      Log On


   

Question 32445: Simplify 81^-1/2 X 8^2/3
Answer by mukhopadhyay(490) About Me  (Show Source):
You can put this solution on YOUR website!
81^-1/2 X 8^2/3
=[9^2]^(-1/2)*(2^3)^(2/3)
=9^[2(-1/2)]*2^[3(2/3)]
=9^(-1)*2^2
=4/9