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pgakui pgakui
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6 months ago

Carbon-14 has an activity of 0.25 Bq per gram of carbon for living organisms. The half-life of 14C is 5730 years. If a sample of charcoal from an archeological dig yields a 14C activity of 0.15 Bq per gram of carbon, how old is the material?



6.6 × 103 y



5.1 × 103 y



4.2 × 103 y



1.7 × 103 y



1.4 × 103 y

Textbook 
College Physics

College Physics


Edition: 5th
Author:
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lulllull
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6 months ago
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pgakui Author
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6 months ago
this is exactly what I needed
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Brilliant
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Thanks
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