Question: Use the exponential decay model, A = A 0 e kt , to solve Exercises 2831. Round answers to one decimal place. Xanax is a

Use the exponential decay model, A = A₀e^kt, 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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