A) \[5,\,\,4,\,\,2\]
B) \[3,\,\,3,\,\,1\]
C) \[5,\,\,3,\,\,4\]
D) \[5,\,\,3,\,\,2\]
Correct Answer: A
Solution :
In\[1.0024\], all figures are significant. In\[1.240\], the significant figures are four (zero tells about precision). Zero before a number are not significant, hence \[0.0020\] has only two significant numbers (2 and 0 after 2).
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