The radioactive isotope lead has a half-life of 3.3 hours and decays at a rate proportionate to the amount present at time t. How long will it take for 90 percent of lead to decay if 1 gram of the isotope is present at the start?
The radioactive isotope lead has a half-life of 3.3 hours and decays at a rate proportionate to the amount present at time t. How long will it take for 90 percent of lead to decay if 1 gram of the isotope is present at the start?
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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The radioactive isotope lead has a half-life of 3.3 hours and decays at a rate proportionate to
the amount present at time t. How long will it take for 90 percent of lead to decay if 1 gram
of the isotope is present at the start?
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