Expand the Logarithmic Expression log of x/10000

$\log (\frac{x}{10000})$

Rewrite $\log (\frac{x}{10000})$ as $\log (x) - \log (10000)$ .

$\log (x) - \log (10000)$

Logarithm base $10$ of $10000$ is $4$ .

$\log (x) - 1 \cdot 4$

Multiply $- 1$ by $4$ .

$\log (x) - 4$