ECZ 2015 · O-Level Paper 1 — Index Notation

Find the value of n, if 4ⁿ = 2² × 4².

Verified working — step 1

Get every power onto the SAME base before comparing indices - here 2² is just 4.

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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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