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O-LevelMathematicsNumber4024/11 · Oct/Nov 2018 · Q122 Marks

By writing each number correct to 1 significant figure, calculate an estimate for the value of 614.2 × 0.0304 / 19.88

  1. By writing each number correct to 1 significant figure, calculate an estimate for the value of 614.2 × 0.0304 / 19.88[2]

Mark scheme

Marking points from the official mark scheme (Oct/Nov 2018). The mark or mark type is shown in brackets.

  1. 12 9/10 or 0.9; or 0.9 cao [2]
  2. B1 for two of 600, 0.03, 20 seen.

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About this question

Topic
Number, O-Level Mathematics (syllabus 4024). Structured question, 2 marks.
Source
O-Level Mathematics, Oct/Nov 2018 Paper 1 Variant 1, question 12.

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