0580/41 May/Jun 2025, Question 2: Using a Calculator
Cambridge IGCSE Mathematics 0580 · Paper 41 (Extended) · Calculator · 2 marks
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The question, in short
Evaluate (16.71 + 46.13) divided by the square root of (8.6² − 3.5²), giving the result to 2 significant figures.
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Solution · 2 marks
- 116.71 + 46.13 = 62.84
- 2√(8.6² − 3.5²) = √61.71 = 7.8555…
- 362.84 ÷ 7.8555… = 7.999…
- 4= 8.0 (2 s.f.)
Answer8.0
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