Question 4 — IGCSE 0580 May/June 2023 Paper 21
Cambridge IGCSE Mathematics 0580, Extended tier, non-calculator. Topic: Numbers · Estimation. Worth 2 marks.
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Question text
4 By writing each number in the calculation correct to 1 significant figure, work out an estimate for the
value of
6.7#2.1
.
18-5.9
You must show all your working.
................................................. [2]
Mark scheme
