ECZ 2020 · GCE Paper 1 — Index Notation
Evaluate 64125-13.
- A. 45
- B. 54
- C. -1.25
- D. 12564
Verified working — step 1
The index -13 gives two instructions: the 13 means cube root, and the minus means take the reciprocal at the end.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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