SOLUTION: Rewrite the following Expression using one or more Logarithms and evaluate without a calculator. Log5 125 + log5 5=

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Rewrite the following Expression using one or more Logarithms and evaluate without a calculator. Log5 125 + log5 5=       Log On


   

Question 166859: Rewrite the following Expression using one or more Logarithms and evaluate without a calculator.




Log5 125 + log5 5=


Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
Log5 125 + log5 5 = Log5(125*5) = Log5(625)
Log5(625) = y
:
Evaluate using the exponent equivalent of logs
5^y = 625
5^4 = 625
:
we could say: Log5 125 + log5 5 = 4