A certain radioactive isotope decays at a rate of 0.25% annually. Determine the half-life of this isotope, to the nearest year. Write your answer in complete sentence form with correct units.
A certain radioactive isotope decays at a rate of 0.25% annually. Determine the half-life of this isotope, to the nearest year. Write your answer in complete sentence form with correct units.
Chapter5: Exponential And Logarithmic Functions
Section: Chapter Questions
Problem 28T: The half-life of radioactive actinium ( 227AC ) is 21.77 years. What percent of a present amount of...
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Transcribed Image Text:A certain radioactive isotope decays at a rate of 0.25% annually. Determine the half-life of this isotope, to the
nearest year. Write your answer in complete sentence form with correct units.
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