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If a sample of carbon-14 has a mass of 400 grams at time zero,how much carbon-14 will remain after 22,920 years.

Guest Jun 16, 2017
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C(14) = 400 x 2^-(22,920/5,730)

C(14) = 400 x 2^-4

C(14) = 400 x  0.0625

C(14) = 25 grams of Carbon 14 remains after 22,920 years.

Guest Jun 16, 2017

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