Answer
Student did not use the
Quotient property for logarithm
correctly.
Work Step by Step
$\log a-\log b$
using $\log x-\log y=\log \frac{x}{y}$
$\therefore \log a-\log b=\log \frac{a}{b}$
log $\frac{a}{b} \neq \frac{\log a}{\log b}$
$\therefore \log a-\log b \neq \frac{\log a}{\log b}$
Student did not use the
Quotient property for logarithm
correctly.