Mathematics for IGCSE & O level - Rates (Section 2 - No. 15)

If a foam plastic ball has a volume of 20 cm³ and a density of 0.3 g/cm³, what is its mass?

6 g

7 g

8 g

9 g

Vysvětlení

M=DV. 0.3 * 20 = 6

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