0580/12 May/Jun 2025, Question 7: Reciprocals
Cambridge IGCSE Mathematics 0580 · Paper 12 (Core) · Non-calculator · 2 marks
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The question, in short
Two short arithmetic tasks: find the reciprocal of 1/3, and express 2⁻³ as a fraction.
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Part (a) · 1 mark
Find the reciprocal of 1/3.
- 11 ÷ 1/3 = 3
Answer3
Part (b) · 1 mark
Write 2⁻³ as a fraction.
- 12⁻³ = 1/2³ = 1/8
Answer1/8
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