SOLUTION: Can you please help me solve for x?This feels like a really dumb question! 2^(-x) = 5

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Question 310557: Can you please help me solve for x?This feels like a really dumb question!
2^(-x) = 5
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
taking logarithm

(-x)log(2) = log(5)

-x = log(5) / log(2)

x = -[log(5) / log(2)]