NEET 2020 Physics Significant Figures MCQ Question
Taking into account of the significant figures, what is the value of 9.99 m − 0.0099 m?
9.980 m
9.9 m
9.9801 m
9.98 m
Correct Answer
Detailed Explanation
9.99 − 0.0099 = 9.9801. When applying significant figures for subtraction, the result should have the same number of decimal places as the quantity with the fewest decimal places. 9.99 has 2 decimal places and 0.0099 has 4 decimal places, so the result should be rounded to 2 decimal places: 9.98 m. The correct answer is D.
Found an issue with this question?
Related Questions
More from 2020
Goblet cells of alimentary canal are modified from:
In a guitar, two strings A and B made of same material are slightly out of tune and produce beats of frequency 6 Hz. When tension in B is slightly dec...
Which of the following statements are true for the phylum-Chordata? (a) In Urochordata notochord extends from head to tail and it is present through...