ECZ 2025 · GCE Paper 1 — Index Notation
Evaluate (⁴√(1681))³.
- A. 49
- B. 827
- C. 1681
- D. 64729
Verified working — step 1
Take the fourth root first: 1681= (23)⁴, so ⁴√(1681) = 23. Then cube the result: (23)³ = …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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