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30 January, 08:41

How many grams of a 20-g sample of C-14 would remain after 17,190

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  1. 30 January, 10:51
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    C-14 has a half life of 5740 years

    17190/5740=2.99

    that is almost 3 half lives, therefore after 17190 years 2.5g would remain
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