ECZ 2020 · GCE Paper 1 — Index Notation
Given that 8x - 1 = 16, find the value of x.
- A. 3
- B. 43
- C. 7
- D. 73
Verified working — step 1
8 = 23 and 16 = 24.The full step-by-step working and final answer are included with Premium — checked against ECZ marking standards.
Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.
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