present? in 5 years

Algebra and Trigonometry (6th Edition)
6th Edition
ISBN:9780134463216
Author:Robert F. Blitzer
Publisher:Robert F. Blitzer
ChapterP: Prerequisites: Fundamental Concepts Of Algebra
Section: Chapter Questions
Problem 1MCCP: In Exercises 1-25, simplify the given expression or perform the indicated operation (and simplify,...
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9. Chemical X decays exponentially. The amount, A(t), of one particular sample of Chemical X is
given by the function
A(t) = 25.4e " where A(t) is in grams and t is time in years.
a. How many grams of Chemical X are initially present?
b. How many grams of Chemical X will be there in 5 years
c. How many years will it take for the amount of Chemical X to decay to 10 grams? Solve
symbolically for the exact value, then round your answer to one decimal place.
Transcribed Image Text:9. Chemical X decays exponentially. The amount, A(t), of one particular sample of Chemical X is given by the function A(t) = 25.4e " where A(t) is in grams and t is time in years. a. How many grams of Chemical X are initially present? b. How many grams of Chemical X will be there in 5 years c. How many years will it take for the amount of Chemical X to decay to 10 grams? Solve symbolically for the exact value, then round your answer to one decimal place.
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