SOLUTION: Simplify the following expression. It's the fraction, two-fifths in parenthesis with an exponent of negative 3. The answer in the book is 4/9. I have no clue how they're getting th

Algebra ->  Exponents -> SOLUTION: Simplify the following expression. It's the fraction, two-fifths in parenthesis with an exponent of negative 3. The answer in the book is 4/9. I have no clue how they're getting th      Log On


   

Question 1188980: Simplify the following expression. It's the fraction, two-fifths in parenthesis with an exponent of negative 3. The answer in the book is 4/9. I have no clue how they're getting that. Please, help.
.......-3
(2/5)

Answer by ikleyn(52788) About Me  (Show Source):
You can put this solution on YOUR website!
.

If your expression is  %282%2F5%29%5E%28-3%29,  then the simplified form is  %285%2F2%29%5E3 = 5%5E3%2F2%5E3 = 125%2F8.