If the rate of decay of a radioactive substance is
Chapter 3, Problem 3.1.105(choose chapter or problem)
If the rate of decay of a radioactive substance is proportional to the amount A(t) remaining at time t, then the half-life of the substance is necessarily T (ln 2)k. The rate of decay of the substance at time t T is onehalf the rate of decay at t 0. 3.
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