The remnants of an ancient fire in a cave in Africa showed a 1C decay rate of 3.9 counts per minute per gram of carbon. If the decay rate in C-14 in freshly cut wood, is 13.6 counts per minute per gram of carbon, how many years ago did the campfire occur?
The remnants of an ancient fire in a cave in Africa showed a 1C decay rate of 3.9 counts per minute per gram of carbon. If the decay rate in C-14 in freshly cut wood, is 13.6 counts per minute per gram of carbon, how many years ago did the campfire occur?
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Transcribed Image Text:7. As part of the
solution in PROBLEM
# 4, what is the value
of In (Ao/A1)
O A. 1.24909323
B. 1.24909324
C. 1.24909325
D. 0.669248664
count/min.gram of Carbon
O E.
0.669248665 count/min.gram
of Carbon
F. 1.24909324
count/min.gram of Carbon
8. The FINAL
ANSWER to
PROBLEM # 4 is
O A. 1.03 X 102 years
В. 1.03 X 10 years
ОС. 1.03 х 104
D. 1.03 X 105 years
E. 10323 months
F. 10323 days
years
Transcribed Image Text:The remnants of an ancient fire in a cave in Africa showed a 1C decay rate of 3.9 counts per minute
per gram of carbon. If the decay rate in C-14 in freshly cut wood, is 13.6 counts per minute per gram
of carbon, how many years ago did the campfire occur?
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