4024/12 May/Jun 2026, Question 1: Powers and square roots
Cambridge O Level Mathematics 4024 · Paper 12 (Non-calculator) · Non-calculator · 2 marks
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The question, in short
Give the value of 5³ and the value of √121.
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Part (a) · 1 mark
Find 5³.
- 15³ = 5 × 5 × 5
- 2= 125
Answer125
Part (b) · 1 mark
Find √121.
- 111 × 11 = 121
- 2√121 = 11
Answer11 (accept ±11 or −11)
Stuck on a step? Read the free lesson: Cube Numbers
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