Question

=\frac{4}{8}\times\frac{10^{8}}{10^{7}}
=\square\times\frac{10^{8}}{10^{7}}

Explanation:

Step1: Simplify the fraction

Simplify $\frac{4}{8}$. Since $4\div4 = 1$ and $8\div4=2$, $\frac{4}{8}=\frac{1}{2}$.

Step2: Write the result

The expression becomes $\frac{1}{2}\times\frac{10^{8}}{10^{7}}$.

Answer:

$\frac{1}{2}$