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28 March, 15:36

A tree was cut down and used to make a statue 2300 years ago. What fraction of 14C that was present originally remains today? t½ of 14C is 5730 yr

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  1. 28 March, 16:18
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    0.76

    Explanation:

    N = No (0.5) ^t/t1/2

    N/No = (0.5) ^t/t1/2

    t = 2300 years, t1/2 = 5730 years

    N/No = (0.5) ^2300/5730 = 0.5^0.401 = 0.76
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