
Concept explainers
Radioactive material decays over time and the amount remaining at time
t is given by the equation
where h is the half-life of the material, which is the time it takes the
material to decay to one-half its original amount. Use this equation in
Exercises 25 and 26.
Assume that we have 50 pounds of radioactive plutonium, which
has a half-life of 24,000 years. How much plutonium will still
remain after 50,000 years?

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Chapter 7 Solutions
Mathematics All Around (6th Edition)
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