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OpenStudy (anonymous):
Radium radioactively decays according to the function R(t)=R0e^-0.004t where R0 is the original sample amount and R (t) is the final amount remaining after t years. Beginning with a 14 mg sample, how much remains after 10 years? a. 13.45mg b. 14.75mg c. -1.52mg d. 13.94mg e. none
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