Thirty percent of a radio-active substance decays in 7 days, what is the half-life of the substance? O 13.07 days 14.65 days O 15.33 days O 13.61 days

Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
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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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Thirty percent of a radio-active substance decays in 7 days, what is the half-life
of the substance?
13.07 days
14.65 days
15.33 days
O 13.61 days
Transcribed Image Text:Thirty percent of a radio-active substance decays in 7 days, what is the half-life of the substance? 13.07 days 14.65 days 15.33 days O 13.61 days
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