ECZ 2021 · O-Level Paper 1 — Approximations
A learner measured the length of a line to be 2.2cm. If the actual length is 2cm, find the (a) absolute error,
- A. 0.2cm
- B. 2.2cm
- C. 10cm
- D. 0.1cm
Verified working — step 1
Absolute error = measured value - actual valueThe 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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