Mathematics for IGCSE & O level - Limits Of Accuracy (Section 2 - No. 26)
A piece of paper is 21.0 cm long and another is 29.7 cm long. Both measurements are given to the nearest millimetre. What is the lower bound of the total length?
50.65 cm
50.70 cm
50.75 cm
50.80 cm
Explanation
Lower Bound = 20.95 + 29.65 = 50.6 cm (to the nearest millimeter is 50.7cm)
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