Question

The length of a table as measured by two observers is 2.5 m and 2.54 m. Which of the two measurements is more accurate and why?

Answer 1

2.54 is more accurate to calculate
the main reason for this is it could give the nearest answer to the exact value
and if you want to get the solution in an easy way then 2.5 is best

Answer 2

The value, 2.54 is the best one to calculate. Because it will give the accurate value
and helps to get the answer exactly as possible.