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Title: An archaeologist finds the 14C in a sample of 3.70 g of material to be decaying Post by: mikael on May 15, 2014 An archaeologist finds the 14C in a sample of 3.70 g of material to be decaying at 107 counts per second. A modern 100-g sample of the same material decays at 151 counts per second. The half-life of 14C is 5730 years. How old is the sample?
A) 13,700 years B) 9470 years C) 29,900 years D) 15,000 years Title: Re: An archaeologist finds the 14C in a sample of 3.70 g of material to be decaying Post by: padre on Jun 10, 2014 AA
Title: Re: An archaeologist finds the 14C in a sample of 3.70 g of material to be decaying Post by: mikael on Jun 16, 2014 Thanks again.
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