ECZ 2017 · O-Level Paper 1 — Approximations
Misozi and Filamba estimated the length of a line to be 9cm and 10cm respectively. If the true length of the line was 9.6cm, find Misozi's absolute error.
- A. 0.4 cm
- B. 0.6 cm
- C. 1.6 cm
- D. 0.06 cm
Verified working — step 1
Absolute error is the size of the gap between the estimate and the true value - and the question asks for MISOZI's estimate, which is 9 cm.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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