A) 5 and 6
B) 5 and 7
C) 2 and 7
D) 2 and 6
Correct Answer: B
Solution :
[b]: All the non-zero digits are significant. The trailing zero (s) in a number with decimal point are significant. Power of 10 is irrelevant for the determination of significant figures. Hence, \[4.8000\times {{10}^{4}}\] has 5 significant figures. All the non-zero digits are significant. All the zeros between two non-zero digits are significant, no matter where the decimal point is. The trailing zero(s) in a number with decimal point are significant. Hence, 48000.50 has 7 significant figures.
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