Mathematics for IGCSE & O level - Limits Of Accuracy (Section 1 - No. 28)
A measurement of 27 cm is given to the nearest centimetre. What is the upper bound of this measurement?
26 cm
26.5 cm
27 cm
27.5 cm
Explanation
When rounded to the nearest cm, the measurement could be anywhere from 26.5cm up to but not including 27.5 cm. Therefore, the upper bound is 27.5 cm.
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