0580/13 May/Jun 2024, Question 18: Upper and Lower Bounds
Cambridge IGCSE Mathematics 0580 · Paper 13 (Core) · Calculator · 2 marks
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The question, in short
The length s of a ship is 83 m to the nearest metre. Complete the inequality showing the range of possible values of s.
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Solution · 2 marks
- 1Half of 1 m is 0.5 m
- 283 − 0.5 = 82.5 and 83 + 0.5 = 83.5
- 382.5 ≤ s < 83.5
Answer82.5, 83.5
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