0580/23 Oct/Nov 2023, Question 11: Volume and Surface Area of a Sphere
Cambridge IGCSE Mathematics 0580 · Paper 23 (Extended) · Calculator · 4 marks
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The question, in short
Find the mass in kilograms of a bronze sphere with radius 3.6 cm and density 8.05 g/cm³, rounded to the nearest gram.
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Solution · 4 marks
- 1V = 4/3 × π × 3.6³ = 195.43… cm³
- 2Mass = 195.43… × 8.05 = 1573.2… g
- 31573.2… ÷ 1000 = 1.573 kg (to the nearest gram)
Answer1.573
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