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24-06-2018
Mathematics

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The density of dry air at 20oC is 1.20 g L .

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24-06-2018

25.0 m x 15.0 m x 4.0 m = 1500m3
1500m3 x (1000L / 1m3) x (1.20g / L) x (1 kg / 1000g) = 1800kg

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