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Answer:
The weigh of air in the room having volume 38.22 m³ is 49.68 kg
Step-by-step explanation:
Given as :
Length of room = 4.2 m
Width of room = 3.5 m
Height of room = 2.6 m
So , volume of room = Length × Width × Height
Or, volume of room = 4.2 m × 3.5 m × 2.6 m
∴, volume of room = 38.22 m³
Now,
∵ 10 m³ of air weigh 13 kg
so, 1 m³ of air weigh = kg
∴ 38.22 m³ of air weigh = kg × 38.22 kg
I.e 38.22 m³ of air weigh = 49.68 kg
Hence The weigh of air in the room having volume 38.22 m³ is 49.68 kg Answer