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 value

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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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