Homework Help: Physics

Posted by Chris on Sunday, March 3, 2013 at 5:13pm.

A specimen has .625 the amount of carbon 14 you would find in a living specimen.

How many half-lives has the specimen been through?

How old is the specimen?

Physics - drwls, Sunday, March 3, 2013 at 6:40pm
3900 years. The half life of C-14 is 5730 years.

3900/5730 is the number of half-lives in the age

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