Answering Exams

Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ?

Three students measured the length of a needle with meter rod and recorded as : (i) 0.2145m (ii) 0.21m (iii) 0.214m Which one is a correct record ?

A. Only (i)
B. Only (ii)
C. Only (iii) (Correct)
D. Both (i) and (ii)

 

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