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An Ancient Tree Is Found Which Has a Carbon-14 Disintegration

Question 25

Multiple Choice

An ancient tree is found which has a carbon-14 disintegration rate of 11.3 units.If the disintegration rate of a living tree is 14.0 units,calculate the age of the ancient tree.t1/2 = 5.73 × 103 years for carbon-14 and 0.807 of the sample remaining corresponds to 0.309 half-life.


A) 1.77 × 103 yr
B) 4.62 × 103 yr
C) 5.73 × 103 yr
D) 1.85 × 104 yr
E) 7.10 × 104 yr

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