ECZ 2016 · O-Level Paper 1 — Approximations
The length of a wire is 5.2 cm, correct to 1 decimal place. What is its maximum possible length?
- A. 5.3 cm
- B. 5.15 cm
- C. 5.2 cm
- D. 5.25 cm
Verified working — step 1
To 1 d.p. the value lies within 0.05 of 5.2, so the maximum possible length = 5.2 + 0.05 = …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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