SOLUTION: 4^-x=64 3/2 4 to the negative "x" equals 64 and 3 halves

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Question 62869: 4^-x=64 3/2
4 to the negative "x" equals 64 and 3 halves
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
4^(-x)=64 3/2
(1/4)^x = 131/2
xlog(0.25)=log131-log2
x=[log(131)-log2]/[log(0.25)]
x=-3.0167...
Cheers,
Stan H.