SOLUTION: I need to evaluate log 0.001 without a calculator, but how?

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Question 606413: I need to evaluate log 0.001 without a calculator, but how?
Found 2 solutions by richard1234, Earlsdon:
Answer by richard1234(7193)   (Show Source): You can put this solution on YOUR website!


since log and exponentiation are inverse functions.

Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
Evaluate:
First, rewrite as
Now apply the "power rule" for logarithms: to get:
then substitute
so...

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