ECZ 2019 · O-Level Paper 1 — Index Notation
Solve the equation 8^x = 128.
- A. 73
- B. 3
- C. 7
- D. 37
Verified working — step 1
8^x = 128The 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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