O-LevelMathematicsNumber4024/12 · Oct/Nov 2018 · Q102 Marks
By writing each number correct to 2 significant figures, estimate the value of 1212.3 / (299.35 × √24.73)
- By writing each number correct to 2 significant figures, estimate the value of 1212.3 / (299.35 × √24.73)[2]
Mark scheme
Marking points from the official mark scheme (Oct/Nov 2018). The mark or mark type is shown in brackets.
- [2] 1200 and 300 and 25 seen; and final answer 0.8 or 4/5
- B1 for two of 1200, 300, 25 seen
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