a scienhst begins with 100 milligrams of a radioactive subtance that dicays exponentially. After 35 hours, so of the Substance remains. Ho w many milligrams will remalin after 54hours

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A: Exponential decay is N = 50000e-λt Therefore, 30000 at t= 54 min Therefore 30000 = 50000e-λ54…

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