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Mathematics for IGCSE & O level - Rates (Section 1 - No. 37)

If a substance has a density of 2 g/cm³ and a volume of 5 cm³, what is its mass?
2 g
5 g
7 g
10 g

解释

Mass = Density * Volume. 2 g/cm³ * 5 cm³ = 10 g

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