The half-life of the radioactive isotope 137Cs is 30.17 years. How long does one have to wait until exactly 3% of the initial amount of this isotope remains

Introductory Chemistry For Today
8th Edition
ISBN:9781285644561
Author:Seager
Publisher:Seager
Chapter10: Radioactivity And Nuclear Processes
Section: Chapter Questions
Problem 10.75E
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The half-life of the radioactive isotope 137Cs is 30.17 years. How long does one have to wait until exactly 3% of the initial amount of this isotope remains?

  •  
    A. 

    140.1 years

  •  
    B. 

    152.6 years

  •  
    C. 

    200.4 years

  •  
    D. 

    170.3 years

  •  
    E. 

    29.26 years

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