SOLUTION: Help me solve for x here; 2^x = 128 Thanks for the help.

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: Help me solve for x here; 2^x = 128 Thanks for the help.      Log On


   

Question 1093269: Help me solve for x here;
2^x = 128
Thanks for the help.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2^x = 128
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x = 7
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If you don't know that:
x*log(2) = log(128)
x = log(128)/log(2)
x = 7