ECZ 2011 · O-Level Paper 1 — Index Notation
Evaluate 6423.
- A. 16
- B. 8
- C. 32
- D. 12
Verified working — step 1
The denominator of the index is the root and the numerator is the power: 6423 = (cube root of 64)2 = 42 = …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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