0580/11 May/Jun 2025, Question 17: Estimation
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Non-calculator · 2 marks
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The question, in short
Round 42.8, 17.4, 1.97 and 5.79 each to 1 significant figure, then use these to estimate the value of (42.8 + 17.4)/(1.97 × 5.79).
Summarised in our own words. Use the official paper for the exact wording and any diagrams.
Solution · 2 marks
- 1(40 + 20)/(2 × 6)
- 2= 60/12 = 5
Answer5
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