Element X is a radioactive isotope such that every 28 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 80 grams, how long would it be until the mass of the sample reached 61 grams, to the nearest tenth of a year?
Element X is a radioactive isotope such that every 28 years, its mass decreases by half. Given that the initial mass of a sample of Element X is 80 grams, how long would it be until the mass of the sample reached 61 grams, to the nearest tenth of a year?
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter70: Complex Practical Machine Applications
Section: Chapter Questions
Problem 4A
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Transcribed Image Text:Element X is a radioactive isotope such that every 28 years, its mass
decreases by half. Given that the initial mass of a sample of Element X is 80
grams, how long would it be until the mass of the sample reached 61 grams,
to the nearest tenth of a year?
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