Question

$\sqrt{0.64} = \square$

Explanation:

Step1: Identify square root target

We need to find $x$ such that $x^2 = 0.64$.

Step2: Calculate the square root

Since $0.8 \times 0.8 = 0.64$, so $\sqrt{0.64} = 0.8$.

Answer:

0.8