Anthropologists can estimate the age of a bone or other sample of organic matter by its carbon-14 content. The carbon-14 in a living organism is constant until the organism dies, after which carbon-14 decays with first-order kinetics and a half-life of 5730 years. Suppose a bone from an ancient human contains 5.0% of the C-14 found in living organisms. How old is the bone?
A) 1.3 x 104 years
B) 1.0 x 105 years
C) The initial concentration is needed to answer the question.
D) 2.9 x 102 years
E) 2.5 x 104 years
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