Use a tape measure to determine the mass of air in your room.

Given: a = 8m, b = 4m, c = 4m, p = 1 kg / m ^ 3
Find: m
Decision:
m = pV | V = 8m * 4m * 4m = 128m ^ 3
V = abc | m = 1 kg / m ^ 3 * 128 m ^ 3 = 128 kg
Answer: m = 128 kg



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