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Chery Chery
wrote...
Posts: 3587
7 years ago
An archaeologist finds the 14C in a sample of   of material to be decaying at 107 Bq. A modern   sample of the same material decays at 151 Bq,and assume this rate has also held in the past. The half-life of 14C is 5730 years. How old is the sample?
A) 8980 years
B) 6230 years
C) 17,000 years
D) 8530 years
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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lyalllyall
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Posts: 626
7 years ago
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Chery Author
wrote...
7 years ago
You're right again!

Appreciate it
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