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einsteindude einsteindude
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Posts: 5058
9 years ago
A wooden object from a prehistoric site has a carbon-14 activity of 10 counts per minute (cpm) compared to 40 cpm for new wood. If carbon-14 has a half-life of 5730 y, what is the age of the wood?
A) 1430 yr
B) 5730 yr
C) 11 500 yr
D) 17 200 yr
E) 22 900 yr
Textbook 
Conceptual Physical Science

Conceptual Physical Science


Edition: 6th
Authors:
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f_zah1f_zah1
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Posts: 10774
9 years ago
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