SOLUTION: -64/27 RAISED to the -2/3 power. Please Help!!!

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Question 54840: -64/27 RAISED to the -2/3 power.
Please Help!!!
Answer by tutorcecilia(2144) About Me  (Show Source):
You can put this solution on YOUR website!
%28-64%2F27%29%5E%28-2%2F3%29%29
%2827%2F-64%29%5E%282%2F3%29%29[Flip the number (the reciprocal) to change the negative exponent to a positive exponent]
.
%28cubed+root%2827%2F-64%29%5E2%29%29 [Re-write as a radical]
%283%2F-4%29%5E2%29%29
%289%2F16%29%29%29