Question

A room measures 4.0m x 3.0 m x 2.0m.The density of the air in the room is 1.3 kilogram per cubic meter. What is the mass of air in the room?

Answer 1

Answer:

31.2 kg

Explanation:

density =Mass/volume

mass=density×volume

mass=1.3×(2×3×4)=31.2kg