Question

Which of the following specification is most accurate?

• A. $63.1\times 10^{2}m$
• B. $6.31\times 10^{3}m$
• C. $6310m$
• D. $0.0631\times 10^{5}m$

Answer 1

Answer: (C)

More the number of significant figures, more will be the accuracy.
Number of significant figures is maximum in $6310m$