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A 100 G Sample of Carbon Taken from a Living Plant

Question 27

Multiple Choice

A 1.00 g sample of carbon taken from a living plant has an activity of 13.6 atoms/min.If 1.00 g of an organic sample is found to have an activity of 6.27 atoms/min,what is the age of the sample? The decay constant of 614C { }_{6}^{14} \mathrm{C} is 1.21 × 10−4 yr−1.


A) 2.64 × 103 yr
B) 5.28 × 103 yr
C) 6.40 × 103 yr
D) 8.18 × 103 yr
E) 1.07 × 104 yr

Correct Answer:

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