Concept explainers
Life and Physical Sciences
Radioactive Decay. Carbon-14 has a decay rate of 0.012097% per year. The rate of change of an amount N of carbon-14 is given by
where t is the number of years since decay began.
a. Let
represent the amount of carbon-14 present at
b. Suppose 200 g of carbon-14 is present at
c. After how many years will half of the 200 g of Carbon-14 remain?
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Calculus and Its Applications (11th Edition)
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