Use the exponential decay model, A = A 0 e kt , to solve Exercises 2831. Round
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Use the exponential decay model, A = A0ekt, to solve Exercises 28–31. Round answers to one decimal place.
Xanax is a tranquilizer used in the short-term relief of symptoms of anxiety. Its half-life in the bloodstream is 36 hours. How long will it take for Xanax to decay to 90% of the original dosage?
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