ECZ 2024 · O-Level Paper 1 — Index Notation

Evaluate (-2)⁰ × (-2)^-3.

Verified working — step 1

Two index facts settle this: any non-zero number to the power 0 equals 1, and a negative power means "1 over the positive power".

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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