An artifact has a carbon-14 decay rate of 8.55 disintegrations per minute per gram of carbon (8.55
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An artifact has a carbon-14 decay rate of 8.55 disintegrations per minute per gram of carbon (8.55 dis/min · g C). Living organisms have carbon-14 decay rate of 15.3 dis/min · g C.
How old is the artifact? (The half-life of carbon-14 is 5715 yr.)
a) 4.81 * 103 yr
b) 2.10 * 103 yr
c) 3.20 * 103 yr
d) 1.21 * 10-4 yr
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