0580/13 May/Jun 2021, Question 9: Cube Numbers
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
From the list 12, 18, 29, 49, 91, 125, identify one cube number and one prime number.
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Part (a) · 1 mark
Choose a number from the list that is a cube number.
- 1125 = 5 × 5 × 5 = 5³, so 125 is a cube number
Answer125
Part (b) · 1 mark
Choose a number from the list that is prime.
- 129 has only factors 1 and 29, so 29 is prime
Answer29
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Also searched as: 0580/13/M/J/21 · 0580_s21_qp_13 · 0580 s21 13 · question 9.
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