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28 March, 09:55

Carbon-14 decays at a constant rate, so it can be used to determine the age of fossils. In particular, if the original amount of Carbon-14 present is A0, then A (t) = A0e-kt can be used find the amount of amount of Carbon-14 remaining after t years. Given that the half-life of Carbon-14 is 5,730 years, what is the value of the decay constant k to 5 decimal places?

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  1. 28 March, 10:21
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    K = ln (.5) / Half-Life

    k = -.693147 / 5,730

    k = - 0.0001209681
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