Solve the Problem $\pi$ Round to the Nearest Tenth Unless Instructed Otherwise

Multiple Choice

Solve the problem. Use 3.14 as the approximate value of $\pi$ . Round to the nearest tenth unless instructed otherwise.
-The foundation for a cylindrical water tank is a cylinder $20 \mathrm{~m}$ in diameter and $3 \mathrm{~m}$ high. How many cubic $m$ of concrete are needed to build the foundation?

A) $376.8 \mathrm{~m}^{3}$
B) $1884.0 \mathrm{~m}^{3}$
C) $942.0 \mathrm{~m}^{3}$
D) $3768.0 \mathrm{~m}^{3}$