4024/11 May/Jun 2022, Question 12: Estimation
Cambridge O Level Mathematics 4024 · Paper 11 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
Estimate the value of (0.28 × 37.4) ÷ 77.8 by rounding each number to 1 significant figure.
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Solution · 2 marks
- 1≈ (0.3 × 40)/80
- 2= 12/80
- 3= 0.15
Answer0.15
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