SOLUTION: If y = 2^-x, find x if y = 0.0625

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Question 794830: If y = 2^-x, find x if y = 0.0625
Answer by Cromlix(4381) About Me  (Show Source):
You can put this solution on YOUR website!
0.0625 = 2^-x
log 0.0625 = -x log 2
log 0.0625/log 2 = -x
-4 = -x
x = 4
Hope this helps.
:-)