ECZ 2025 · O-Level Paper 1 — Index Notation

Evaluate 412 × 4.

  • A. 16
  • B. 6
  • C. 8
  • D. 2

Verified working — step 1

412 means √4.

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Original examination question © Examinations Council of Zambia. Worked solution and commentary © G12 Titan — not to be reproduced without permission.

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