Case study·Standard multi-step (3/5)·Calculator allowed
Difficulty guide
The label describes the problem, not your ability.
1/5 - Foundational
Warm-up setup; checks one basic idea.
2/5 - Routine exam skill
Normal syllabus skill; usually one main rule or interpretation.
3/5 - Standard multi-step
Exam-style problem with multiple steps or a common trap.
4/5 - Hard exam skill
High-end exam problem; combines methods carefully.
5/5 - Challenge
Stretch problem beyond normal exam pressure.
Question
A lab notebook records distance and time for a slow trolley as shown.
Total: 4 marks
(a) State the number of significant figures in the distance. (1 mark)
(b) State the number of significant figures in the time. (1 mark)
(c) Calculate the speed and report it with correct significant figures. (2 marks)
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