SOLUTION: Find the common logarithm of the number whose natural logarithm is -39.

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Find the common logarithm of the number whose natural logarithm is -39.      Log On


   

Question 1138254: Find the common logarithm of the number whose natural logarithm is -39.
Found 2 solutions by josgarithmetic, MathLover1:
Answer by josgarithmetic(39617) About Me  (Show Source):
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

A common logarithm is any logarithm with base 10.
To convert a natural logarithm to base 10+logarithm, divide by the conversion factor 2.303.

ln%28x%29=-39 => log%28x%29=-39%2F2.303=+-16.9344333478