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17 December, 16:13

The ancient fish fossils were dated using c-14. if 1/16 the original amount of c-14 remains in the skeletons, approximately how old are the fish?

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  1. 17 December, 18:15
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    The half life of radiocarbon 14 is equal to 5730 years. From this data, we can calculate for the value of k in the equation:

    An = Ao e^-kt

    ln1/2 = - k (5730)

    k = 1.21x10^-4

    ln 1/16 = - (1.21x10^-4) t

    t = 22914 years old
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