Chapter 1 - Measurement and Problem Solving - Learning Path Questions and Exercises - Exercises - Page 30: 52

a) the final answer will have two decimal places. Because their are two decimal places in the problem asked. b) 14.62m

Addition of 46.9 m and 5.72m gives 52.62m the result is subtracted with 38m which gives the final answer as 14.62m i.e) 46.90 + 5.72 = 52. 62 Then 52.62 - 38.00 = 14.62