Question

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.)

A) 336
B) 3,360
Eliminate
C) 16,800
D) 168,000

Answer 1

Mass of block = (30 × 40 × 50)(2.8)

= 168,000 grams

The correct answer is D.