ECZ 2016 · O-Level Paper 1 — Approximations

Find the percentage error of the mass of a bag of sugar that weighs 10.00 kg, correct to 2 decimal places.

  • A. 0.5%
  • B. 0.005%
  • C. 0.05%
  • D. 0.1%

Verified working — step 1

"Correct to 2 decimal places" makes the smallest unit 0.01 kg - and the maximum error is HALF of that.

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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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