O-LevelMathematicsNumber4024/11 · May/June 2014 · Q371 Mark
Light travels at a speed of 3 × 10⁸ m/s. Calculate the time it takes for light to travel 6km. Give your answer in standard form.
Mark scheme
Marking points from the official mark scheme (May/June 2014). The mark or mark type is shown in brackets.
- [1] 2 × 10⁻⁵ s
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