ECZ 2017 · O-Level Paper 1 — Approximations
Misozi and Filamba estimated the length of a line as 9 cm and 10 cm respectively. If the true length is 9.6 cm, find Filamba's percentage error.
- A. 4.00%
- B. 0.42%
- C. 96%
- D. 4.17%
Verified working — step 1
Percentage error = (absolute error ÷ true value) × 100 = …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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