*sort by* **best** latest

### sdy53 says

log(10) means log base 10 of 10.

Since a logarithm is the exponent that you raise a base to produce a value, log(10)=1 since 10^1=10.

log(100) =2 since 10^2=100

### viplove09may says

If the base Number is not specified then we assume it as log with base e...