The mean length of an object is 5 cm. Which of the following measurements is most accurate? a) 4.9 cm b) 4.805 cm c) 5.25 cm d) 5.4 cm
Correct option is A) To signify the mean length of an object comprising 5 cm in dimension, it is better to present it with 4.9 cm can be easily rounded up to 5 cm. Whereas, other options are either less than or greater than the given option.