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

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Answer 1 · 2016-06-14T13:19:45

$log0.0001=-4$

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 $10$

How do you change 10^-4 = 0.000110^-4 = 0.0001 into log form?