Multiply $\frac{1}{50000000000000}$ and $4.5$ to get $\frac{9}{100000000000000}$.
$$\frac{|\frac{9}{100000000000000}|}{0.1}$$
The absolute value of a real number $a$ is $a$ when $a\geq 0$, or $-a$ when $a<0$. The absolute value of $\frac{9}{100000000000000}$ is $\frac{9}{100000000000000}$.
$$\frac{\frac{9}{100000000000000}}{0.1}$$
Express $\frac{\frac{9}{100000000000000}}{0.1}$ as a single fraction.
$$\frac{9}{100000000000000\times 0.1}$$
Multiply $100000000000000$ and $0.1$ to get $10000000000000$.
