How do you solve log x=3?

1 Answer
Lovecraft
Sep 17, 2015

x = 1000

Explanation:

Remember the definition of logarithm, that is
If log_b(a) = c is true, then a = b^c, and if no base is explicitly put we always assume it's the base 10 (unless it's written as lnx in which case the base is the irrational number e)

logx = 3 rarr x = 10^3 rarr x = 1000

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