A granite block in the shape of a right rectangular
prism has dimensions 30 centimeters by
40 centimeters by 50 centimeters. The block has a
density of 2.8 grams per cubic centimeter. What is
the mass of the block, in grams? (Density is mass
per unit volume.)
$$
\begin{aligned} \text { A) } & 336 \\ \text { B) } & 3,360 \\ \text { C) } & 16,800 \\ \text { D) } & 168,000 \end{aligned}
$$
