ECZ 2022 · O-Level Paper 1 — Approximations
The mass of a loaf of bread is 702.1 g, correct to 1 decimal place. Find the lower limit of the mass.
- A. 702.0g
- B. 701.6g
- C. 702.15g
- D. 702.05g
Verified working — step 1
"Correct to 1 decimal place" means rounded to the nearest 0.1 g - so the true mass can sit at most half of 0.1 below the stated value.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.
Have a different question?
Search it — if it is from a past paper or a school mock, chances are we have it worked out, or one that uses the same method.
Search any past-paper question