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The half life of substance A is 1.8 years, and substance B decays at a rate of 30% each decade. The quantity of substance A over time is modelled by A(t) = A 2-¹/1.8. The quantity of substance B is modelled by B(t) = Bo(0.7)t/10 (a) If you start with 97.8 grams of substance A and wait 3.4 years, then how much substance A remains? grams (b) At what time will there be 16 grams of substance A remaining? years (c) If you start with 97.8 grams of substance B and wait 3.4 years, then how much substance B remains? grams (d) At what time will there be 16 grams of substance B remaining? years (e) of which substance is there less in the long term? O A. There is less of substance A in the long term. O B. There is less of substance B in the long term. O C. There is no way to tell.

The half life of substance A is 1.8 years, and substance B decays at a rate of 30% each decade. The quantity of substance A over time is modelled by A(t) = A 2-¹/1.8. The quantity of substance B is modelled by B(t) = Bo(0.7)t/10 (a) If you start with 97.8 grams of substance A and wait 3.4 years, then how much substance A remains? grams (b) At what time will there be 16 grams of substance A remaining? years (c) If you start with 97.8 grams of substance B and wait 3.4 years, then how much substance B remains? grams (d) At what time will there be 16 grams of substance B remaining? years (e) of which substance is there less in the long term? O A. There is less of substance A in the long term. O B. There is less of substance B in the long term. O C. There is no way to tell.

Algebra and Trigonometry (6th Edition)
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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The half life of substance A is 1.8 years, and substance B decays at a rate of 30 % each decade. The quantity of substance A over time is modelled by A(t) = A 2-¹/1.8. The quantity of substance B is modelled by B(t) = Bo(0.7)t/10 (a) If you start with 97.8 grams of substance A and wait 3.4 years, then how much substance A remains? grams (b) At what time will there be 16 grams of substance A remaining? years (c) If you start with 97.8 grams of substance B and wait 3.4 years, then how much substance B remains? grams (d) At what time will there be 16 grams of substance B remaining? years (e) of which substance is there less in the long term? A. There is less of substance A in the long term. B. There is less of substance B in the long term. C. There is no way to tell.
Transcribed Image Text:The half life of substance A is 1.8 years, and substance B decays at a rate of 30 % each decade. The quantity of substance A over time is modelled by A(t) = A 2-¹/1.8. The quantity of substance B is modelled by B(t) = Bo(0.7)t/10 (a) If you start with 97.8 grams of substance A and wait 3.4 years, then how much substance A remains? grams (b) At what time will there be 16 grams of substance A remaining? years (c) If you start with 97.8 grams of substance B and wait 3.4 years, then how much substance B remains? grams (d) At what time will there be 16 grams of substance B remaining? years (e) of which substance is there less in the long term? A. There is less of substance A in the long term. B. There is less of substance B in the long term. C. There is no way to tell.
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