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Mathematics for IGCSE & O level - Rates (Section 1 - No. 6)

The density of gold is 19.3 g/cm³. Calculate the mass of a gold bar with a volume of 30cm³.
579 g
600 g
500 g
670 g

解释

Mass = Density × Volume, hence 19.3 g/cm³ × 30 cm³ = 579 g.

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