ECZ 2014 · O-Level Paper 1 — Index Notation
Evaluate −4² + 4³.
- A. 80
- B. 48
- C. −80
- D. −48
Verified working — step 1
−4² means −(4²) = −16, and 4³ = 64. So −16 + 64 = …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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