Mathematics for IGCSE & O level - Limits Of Accuracy (Section 3 - No. 41)

A height is given as 4.7 m to 1 decimal place. What is the greatest possible height?

4.65 m

4.70 m

4.74 m

4.75 m

When it's to 1 decimal place, it has a bound of 4.70 to 4.75. Therefore it's 4.74 to the greatest possible value.