Question

How do I change log20 to a logarithm with base e.That is find in 20.​

Answer 1

Answer:

The change of base formula says that

$\log_b(a)=\frac{\log_x{a}}{\log_x{b}}$

You can choose any base x that are positive and not equal to 1

By using change of base:

$\log(20)=\frac{\ln{20}}{\ln{10}}$

assuming log is in base 10