Suppose that the initial mass of a radioactive substance is m0 and the half-life of the substance is h. Let m(t) be the mass remaining at time t.(a) What is meant by the half-life h?(b) Write a formula for m(t) in terms of the half-life h.(c) Write a formula for the relative decay rate r in terms of the half-life h.(d) Write a formula for m(t)  in terms of the relative decay rate r.

College Algebra
7th Edition
ISBN:9781305115545
Author:James Stewart, Lothar Redlin, Saleem Watson
Publisher:James Stewart, Lothar Redlin, Saleem Watson
Chapter4: Exponential And Logarithmic Functions
Section: Chapter Questions
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Suppose that the initial mass of a radioactive substance is m0 and the half-life of the substance is h. Let m(t) be the mass remaining at time t.
(a) What is meant by the half-life h?
(b) Write a formula for m(t) in terms of the half-life h.
(c) Write a formula for the relative decay rate r in terms of the half-life h.
(d) Write a formula for m(t)  in terms of the relative decay rate r.

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