SOLUTION: How do I solve 81^-3/4

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Question 367300: How do I solve
81^-3/4
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
81%5E%28-3%2F4%29
Note that 81+=+3%5E4
Rewrite the problem as:
%283%5E4%29%5E%28-3%2F4%29
I can rewrite this as:
%283%5E%28-3%29%29%5E%284%2F4%29
This equals
3%28-3%29+=+1%2F3%5E3
1%2F3%5E3+=+1%2F27