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OpenStudy (anonymous):
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OpenStudy (anonymous):
In the formula A=Ie^kt, A is the amount of radioactive material remaining from an initial amount of I at a given time t, and K is a negative constant determined by the nature of the material. AN articraft is discovered at a certain site. If it has 63%of carbon-14 it originally contained, what is the approximate age of the artifact?(carbon -14 decays at the rate of .0125% annually.)(round to the nearest year.)
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