Asked by Mary Ann
Use the definition of logarithm to simply each expression
log lower 10 ^10-4
log lower 10 ^10-4
Answers
Answered by
Steve
by definition, log_10(10^n) = n
so, log_10(10^-4) = -4
Or, you can recall that log x^n = n*logx
Since log_10(10) = 1, we again have -4*1 = -4
so, log_10(10^-4) = -4
Or, you can recall that log x^n = n*logx
Since log_10(10) = 1, we again have -4*1 = -4
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