The rate of decay of radium is proportional to the amount present at any time. The half-life of radium is 1690 years and 20 mg of radium are present now. How much radium will remain after 1690 years? Answer:
The rate of decay of radium is proportional to the amount present at any time. The half-life of radium is 1690 years and 20 mg of radium are present now. How much radium will remain after 1690 years? Answer:
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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