SOLUTION: Help solve: log2 (x) = 128

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Question 92015: Help solve:
log2 (x) = 128
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
it looks like the x and 128 are switched

the log of a number is the exponent that the base must be raised to, to get the number

in this case, the base (2) is raised to the 7 power ... 128=2^7 ... so the log is 7