A) 3, 4 and 5, respectively
B) 3, 4 and 4, respectively
C) 3, 3 and 4, respectively
D) 3, 3 and 3, respectively
Correct Answer: D
Solution :
(i) All non zero digits are significant. (ii) Non zero digits to the right of the decimal point are significant. (iii) Zeroes to the left of the first non-zero digits in a number are not significant So, the number of significant figures for the numbers 161 cm, 0.161 cm and 0.0161 cm are same i.e., 3
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