ECZ 2024 · GCE Paper 1 — Index Notation
Evaluate 82723.
- A. 49
- B. 23
- C. 64729
- D. 94
Verified working — step 1
A fractional power gives two instructions: the bottom number (3) says take a cube root, and the top number (2) says square the result. Do the root first so the numbers stay small.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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