SOLUTION: Find the exact value of the logarithm without using a calculator. log5(1/125) I understand how to change the base, but I don't know where to go from there without using a cal

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Find the exact value of the logarithm without using a calculator. log5(1/125) I understand how to change the base, but I don't know where to go from there without using a cal      Log On


   

Question 373505: Find the exact value of the logarithm without using a calculator.
log5(1/125)
I understand how to change the base, but I don't know where to go from there without using a calculator.
This is what I have so far log(1/125)/log(5)

Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F125+=+5%5E-3. Then log5 (5^-3) = -3.