Question 25 — IGCSE 0580 Oct/Nov 2025 Paper 43
Cambridge IGCSE Mathematics 0580, Extended tier, calculator. Topic: Numbers · Bounds. Worth 3 marks.
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Question text
25 Jenna has a length of wire measuring 68 cm, correct to the nearest cm.
From this wire she cuts off two smaller pieces
• a piece of length 4.7 cm, correct to the nearest mm
• a piece of length 10.0 cm, correct to the nearest mm.
Work out the lower bound and the upper bound for the length of the wire remaining.
Lower bound = ........................................... cm
Upper bound = ........................................... cm
[3]
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© UCLES 2025 (cid:300)(cid:268)(cid:182)(cid:241)(cid:207)(cid:288)(cid:291)(cid:237)(cid:213)(cid:239)(cid:256)(cid:241)(cid:226)(cid:232)(cid:249)(cid:226)(cid:257)(cid:258) 0580/43/O/N/25
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* 0000800000018 *
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