SOLUTION: Human hair from a grave in Africa proved to have only 67% of the carbon 14 of living tissue. When was the body buried? The half life of carbon 14 is 5730 years.

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Question 860147: Human hair from a grave in Africa proved to have only 67% of the carbon 14 of living tissue. When was the body buried? The half life of carbon 14 is 5730 years.
Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!
 
Hi,
Q(t) =
First find k
ln(.5)/-5730 = k = .00012
Q(t) =
ln(.67)/-.00012 = t ~ 3337yrs ago
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