Answer
$\ln \frac{5x^{5}}{y^{4}z}$
Work Step by Step
$\ln 5x^{3} + 2\ln x + 3\ln z - 4 \ln yz$
$\ln 5x^{3} + \ln x^{2} + \ln z^{3} - \ln (yz)^{4}$
$\ln 5x^{3}x^{2}z^{3}- \ln y^{4}z^{4}$
$\ln 5x^{5}z^{3}- \ln y^{4}z^{4}$
$\ln \frac{5x^{5}z^{3}}{y^{4}z^{4}}$
$\ln \frac{5x^{5}}{y^{4}z}$
