Expand the Logarithmic Expression log of y/1000000

$\log (\frac{y}{1000000})$

Rewrite $\log (\frac{y}{1000000})$ as $\log (y) - \log (1000000)$ .

$\log (y) - \log (1000000)$

Logarithm base $10$ of $1000000$ is $6$ .

$\log (y) - 1 \cdot 6$

Multiply $- 1$ by $6$ .

$\log (y) - 6$