ECZ 2022 · GCE Paper 1 — Approximations
A piece of wood measures 25cm long. Find the (a) upper and lower limits.
- A. Upper limit 25.5cm; Lower limit 24.5cm
- B. Upper limit 26cm; Lower limit 24cm
- C. Upper limit 25.25cm; Lower limit 24.75cm
- D. Upper limit 25cm; Lower limit 24cm
Verified working — step 1
25 cm is measured to the nearest centimetre.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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