# How do I find the approximate value of #log_5 100#?

##### 1 Answer

Sep 1, 2014

Well, for starters, remember that logs are really just powers in reverse!

If you know some powers of 5, then just keep going...

Use a scientific calculator (at least) to continue guessing:

However, some calculators will give you a much better answer, and much faster:

If you don't have this kind of option on your calculator, try some online: Online log calc