SOLUTION: I'm having trouble with fractions as exponents. Simplify the expression, if possible. a) 81^3/4 b) -81 3/4 c) (-81)^3/4 d) 81^-3/4 e) -81^-3/4 f) (-81)^-3/4 Pleas

Question 107730: I'm having trouble with fractions as exponents. Simplify the expression, if possible.
a) 81^3/4
b) -81 3/4
c) (-81)^3/4
d) 81^-3/4
e) -81^-3/4
f) (-81)^-3/4
Please help!
Answer by checkley71(8403) (Show Source): You can put this solution on YOUR website!
A) 81^3/4=THE FOURTH ROOT OF 81^3 OR FOURTH ROOT OF (81*81*81) OR
FOURTH ROOT OF (9*9*9*9*9*9) OR 9FOURTH ROOT OF (9*9)
OR 9FOURTH ROOT(3*3*3*3)
OR 9*3=27 ANSWER.
PROOF
27^4=81^3
531,441=531,441.

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