A mathematical model for the decay of radioactive substances is given by Q = Q 0 e
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A mathematical model for the decay of radioactive substances is given by
Q = Q0ert
where
Q0 = amount of the substance at time t = 0
r = continuous compound rate of decay
t = time in years
Q = amount of the substance at time t
If the continuous compound rate of decay of radium per year is r = -0.000 433 2, how long will it take a certain amount of radium to decay to half the original amount? (This period is the half-life of the substance.)
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Related Book For
College Mathematics For Business Economics, Life Sciences, And Social Sciences
ISBN: 978-0134674148
14th Edition
Authors: Raymond Barnett, Michael Ziegler, Karl Byleen, Christopher Stocker
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