Question 9729
(9/4)^-1/2



To make positive a negative power,simply inverse the entire term and vice-versa! 

Therefore (9/4)^-1/2 can be written as 1/(9/4)^1/2 

There is a square root power.

Square root of 9 = 3 and of 4 = 2

So your answer is {{{1/(3/2) = 2/3}}}