The Density of Mercury, the Only Metal to Exist as a Liquid

Multiple Choice

The density of mercury, the only metal to exist as a liquid at room temperature, is 13.6 g/cm³. What is that density in pounds per cubic inch?

A) 849 lb/in³
B) 491 lb/in³
C) 376 lb/in³
D) 0.491 lb/in³
E) 1.83 *10^-3 lb/in³