Answer
$ = -4$
Work Step by Step
$ \log 0.0001$
$= \log_{10} (\frac{1}{10000})$
$= \log_{10} 10,000^{-1}$
$= \log_{10} 10^{-4}$
$ = -4$
You can help us out by revising, improving and updating this answer.
Update this answerAfter you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.