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OpenStudy (anonymous):
The ratio of carbon-14 to nitrogen-14 in an artifact is 1:7. given that the half-life of carbon-14 is 5730 years, how old is the artifact? a. 22,920 years b. 17,190 years c. 5730 years d. 11,460 years Can someone tell me the answer and how I can get to that that answer? I didn’t understand when my teacher explained it. What formula am I supposed to use?
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