The problem is to evaluate the expression $(\sqrt{8})^2$.

1. Problem Description

The problem is to evaluate the expression $(\sqrt{8})^2$.

2. Solution Steps

We need to simplify the expression $(\sqrt{8})^2$.

We know that squaring a square root cancels each other out. In general, $(\sqrt{x})^2 = x$ for $x \ge 0$.

$$(\sqrt{8})^2 = 8$$

3. Final Answer

The final answer is 8.