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Model Exponential Growth and Decay

Question 214

Multiple Choice

Model Exponential Growth and Decay
Solve.
-A fossilized leaf contains 18% of its normal amount of carbon 14. How old is the fossil (to the nearest year) ? Use 5600 years as the half-life of carbon 14.


A) 13,829
B) 23,309
C) 1600
D) 35,538

Correct Answer:

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