Mathematics for IGCSE & O level - Limits Of Accuracy (Section 3 - No. 37)
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 upper bound of the total length?
50.60 cm
50.65 cm
50.70 cm
50.80 cm
Explanation
Upper bound of length 1 = 21.05. Upper bound of length 2 = 29.75; Adding up = 50.8 cm
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