Answer
$\bf{F}$
Work Step by Step
The surface area of a sphere can be computed as:
$S=4 \pi r^2$
We are given that $d=10 \ in. \implies r=\dfrac{10}{2}=5 \ in.$
So, $S=4 \pi (5)^2=100 \pi \space \text{in.}^2$
Therefore, the correct option is $\bf{F}$.