Question

How do you change `10^-4 = 0.0001` into log form?

Answer 1

`log0.0001=-4`

Explanation:

As `a^b=x` changes into `log_ax=b`

`10^(-4)=0.0001` changes into `log_(10)0.0001=-4`

or `log0.0001=-4`

The latter is due to reason that if base is not mentioned, it is assumed to be `10`