A Conducting Sphere of Radius $10.0 \mathrm{~cm}$ Holds a Net Charge Of

A conducting sphere of radius $10.0 \mathrm{~cm}$ holds a net charge of $4.4 \mu \mathrm{C}$ . What is the surface charge density?

A) $2.2 \times 10^{-4} \mathrm{C} / \mathrm{m}^{2}$
B) $1.1 \times 10^{-5} \mathrm{C} / \mathrm{m}^{2}$
C) 0.0
D) $3.5 \times 10^{-5} \mathrm{C} / \mathrm{m}^{2}$
E) $5.6 \times 10^{-3} \mathrm{C} / \mathrm{m}^{2}$