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Calculus: Early Transcendentals
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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b) How long would it take the sample to decay to 20% of its original amount?
Transcribed Image Text:b) How long would it take the sample to decay to 20% of its original amount?
2) A sample of ³H, the hydrogen isotope known as "tritium," decays to 94.5% of its original amount after a year (that is, 5.5% of it decayed in one year). You should use a calculator on this question. a) What is the half-life of tritium (that is, the time expected for half of the original sample to decay)?
Transcribed Image Text:2) A sample of ³H, the hydrogen isotope known as "tritium," decays to 94.5% of its original amount after a year (that is, 5.5% of it decayed in one year). You should use a calculator on this question. a) What is the half-life of tritium (that is, the time expected for half of the original sample to decay)?
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