The activity of the 14C isotope, whose duration is 5730 years, has been measured as 12.5 minutes-1 per gram of carbon in living things. A)Find the fraction of the 14C isotope in the cabon of living things? B)Find the 14C radioactivity remaining in an organism that died 5 * 104 years ago. C) Find the age of a burial board in Egypt with a radioactivity of 7.0 min-1 per gram of carbon.

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The activity of the 14C isotope, whose duration is 5730 years, has been measured as 12.5 minutes-1 per gram of carbon in living things.

A)Find the fraction of the 14C isotope in the cabon of living things?

B)Find the 14C radioactivity remaining in an organism that died 5 * 104 years ago.

C) Find the age of a burial board in Egypt with a radioactivity of 7.0 min-1 per gram of carbon.

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