Question

TEST DO NOT ANSWER
\(\Huge 64^{\frac{1}{2}}=(8×8)^{\frac{1}{2}} \)
now for the properties of exponents we chose the have numbers of them
so
\(\Huge 64^{\frac{1}{2}}=(8×8)^{\frac{1}{2}}=8=\sqrt{64} \)

\(\Huge\text{ the area = length × width}\)
\(\Huge\text{ the area} = 7 ×\sqrt {7}=\color{red}{7\sqrt7}=7^{\frac{3}{2}}\)