0580/11 May/Jun 2024, Question 20: Zero and Negative Indices
Cambridge IGCSE Mathematics 0580 · Paper 11 (Core) · Calculator · 2 marks
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The question, in short
Two short index questions: evaluate a number raised to the power zero, and find p from an equation dividing powers of 7.
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Part (a) · 1 mark
Work out the value of 137 raised to the power 0.
- 1Any non-zero number to the power 0 is 1: 137⁰ = 1
Answer1
Part (b) · 1 mark
Given 7¹² ÷ 7ᵖ = 7¹⁷, find the value of p.
- 17¹² ÷ 7ᵖ = 7¹²⁻ᵖ, so 12 − p = 17
- 2p = −5
Answer−5
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Also searched as: 0580/11/M/J/24 · 0580_s24_qp_11 · 0580 s24 11 · question 20.
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