The substance decomposed at a rate proportional to the amount resent. What is the half-life of the substance if 90% decomposes in 100 years?

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.7: Exponential And Logarithmic Models
Problem 23SE: A substance has a half-life of 2.045 minutes. If the initial amount of the substance was 132.8...
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The substance decomposed at a rate proportional to the amount resent. What is the half-life of the substance if 90% decomposes in 100 years?
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