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O-LevelMathematicsNumber4024/12 · Oct/Nov 2017 · Q102 Marks

By making suitable approximations, calculate an estimate for 40.32 × √35.7 / 2980 Show clearly the approximations you use and give your answer correct to 1 significant figure.

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2017). The mark or mark type is shown in brackets.

  1. M1 Two or three of 40, 6, 3000
  2. A1 Final answer 0.08 cao nfww
  3. C1 for 0.08 without any working.

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, Oct/Nov 2017 Paper 1 Variant 2, question 10.

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