Initially 100 milligrams of a radioactive substance was present. After 6 hours the mass had decreased by 3%. If the rate of decay is proportional to the amount of substance present at time t, find out the amount remaining after 24 hours.
Initially 100 milligrams of a radioactive substance was present. After 6 hours the mass had decreased by 3%. If the rate of decay is proportional to the amount of substance present at time t, find out the amount remaining after 24 hours.
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:3. Initially 100 milligrams of a radioactive substance was present. After 6 hours
the mass had decreased by 3%. If the rate of decay is proportional to the
amount of substance present at time t, find out the amount remaining after
24 hours.
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