O-LevelMathematicsNumber4024/11 · Oct/Nov 2024 · Q72 Marks
By writing each number correct to 1 significant figure, calculate an estimate for the value of 3.1 × 26.7 _______ 6.9 - 2.3
- By writing each number correct to 1 significant figure, calculate an estimate for the value of 3.1 × 26.7 _______ 6.9 - 2.3[2]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2024). The mark or mark type is shown in brackets.
- [2] 3, 30, 7 and 2 seen as rounded values and final answer 18
- B1 for three of 3, 30, 7, 2 seen as rounded values
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