SOLUTION: A certain isotope of silver, 110Ag decays exponentially at a rate of 2.8% per second. After 50.0 seconds, what percent of the original isotope remains?

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Question 1058053: A certain isotope of silver, 110Ag decays exponentially at a rate of 2.8% per second. After 50.0 seconds, what percent of the original isotope remains?
Answer by Alan3354(69443) About Me  (Show Source):
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A certain isotope of silver, 110Ag decays exponentially at a rate of 2.8% per second. After 50.0 seconds, what percent of the original isotope remains?
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After each second, 97.2% remains = 0.972*amount
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0.972^50 =~ 0.242 = 24.2%