SOLUTION: 15^-x=1.326

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Question 436197: 15^-x=1.326
Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website!
15^-x=1.326
-x*log(15) = log(1.326)
x = -log(1.326)/log(15)
x =~ -0.1042