Which of the following have same number of significant figures?
A. 0.00253 B. 1.0003
C. 15.0 D. 163
Choose the correct answer from the options given below
Text Solution
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To determine the no. of significant figures certain rules are followed. According to the given options rules are mentioned as,
0.00253
Zeros to the left of first non-zero digits are not significant.
Significant figures 
1.0003
Zeros between non-zero digit are significant.
Thus, 1.0003 has 5 significant figures.
15.0
If a number ends in zeros and if these zeros are to the right of a decimal point, then it will be significant.
Significant figures 
163
All non zero digits are significant.
Significant figures 
Hence, number given in 
and D have same number of significant figures.
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