Answer:
The air weight in a room is 49.69 kg.
Step-by-step explanation:
It is given that the room is 4.2m long, 3.5m wide, and 2.6m high. It is also given that 10 m³ of air weigh 13 kg.
The formula to find the volume of cuboid is,
The volume of room is 38.22 m³.
Since it is given that, 10 m³ of air weigh 13 kg. So,
So the air weight in the room is,
Therefore the air weight in a room is 49.69 kg.