4MA1/1FR Jun 2022, Question 23: Compound Measures
Pearson Edexcel International GCSE Mathematics A 4MA1 · Paper 1FR (Foundation) · Calculator · 3 marks
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The question, in short
Using a cylinder with diameter 18 cm and height 3.5 cm and mass 7.04 kg, work out the iron's density in g/cm³ to 2 significant figures.
Summarised in our own words. Use the official paper for the exact wording and the diagram.
Solution · 3 marks
- 1(18 / 2)² × π × 3.5 = 890.64
- 27.04 × 1000 = 7040
- 37040 / 890.64 = 7.9
Answer7.9
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