A metre rule is used to measure a length. Which of the following readings is shown to the nearest millimetre?
0.8 m0.8\text{ m}0.8 m
0.84 m0.84\text{ m}0.84 m
0.843 m0.843\text{ m}0.843 m
0.8432 m0.8432\text{ m}0.8432 m
164 exam-style questions on CIE IGCSE Physics Physical quantities and measurement techniques, covering Physical quantities and measurement techniques. Each one has a worked solution and a mark scheme showing where the marks go.