Mathematics for IGCSE & O level - Limits Of Accuracy (Section 1 - No. 19)

Find the upper bound of the sum of 6.42m and 5.97m (both to the nearest centimetre)

12.385 m

12.39 m

12.395 m

12.40 m

Upper bound of 6.42 = 6.425. Upper bound of 5.97 = 5.975. Sum = 6.425 + 5.975 = 12.40m