12. Twenty grams of Carbon 15 is stored in a container. The amount C (in grams) of Carbon 15 present after t years decreases by 1.2%. a) Write a model for the amount of Carbon 15 present in the container in terms of years since being contained. b) How much Carbon 15 is present after 150 years? c) How long will it take for the Carbon to reach its half-life? d) How long will it take for there to be 5 grams of Carbon 15?
12. Twenty grams of Carbon 15 is stored in a container. The amount C (in grams) of Carbon 15 present after t years decreases by 1.2%. a) Write a model for the amount of Carbon 15 present in the container in terms of years since being contained. b) How much Carbon 15 is present after 150 years? c) How long will it take for the Carbon to reach its half-life? d) How long will it take for there to be 5 grams of Carbon 15?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 15T
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