Answer
$= \log (16a^{17}b^{15})$
Work Step by Step
$= 4\log (2a^{3}) + 5 \log (ab^{3})$
$= \log (2a^{3})^{4} + \log (ab^{3})^{5}$
$= \log (16a^{12}) + \log (a^{5}b^{15})$
$= \log (16a^{12})(a^{5}b^{15})$
$= \log (16a^{17}b^{15})$
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.