When a substance degrades exponentially over time, the amount of time required for half of the substance to remain is called the half-life of the substance. The half-life of a pesticide is 10 years. A farmer initially applies 200 grams of the pesticide to a fence post. Complete the following statements. After 20 years, there are the nearest whole gram. After 60 years, there are the nearest hundredth of a gram. After grams of pesticide left. Round your answer to grams of pesticide left. Round your answer to years, there are approximately 1.03 grams of pesticide left. Round your answer to the nearest whole year.
When a substance degrades exponentially over time, the amount of time required for half of the substance to remain is called the half-life of the substance. The half-life of a pesticide is 10 years. A farmer initially applies 200 grams of the pesticide to a fence post. Complete the following statements. After 20 years, there are the nearest whole gram. After 60 years, there are the nearest hundredth of a gram. After grams of pesticide left. Round your answer to grams of pesticide left. Round your answer to years, there are approximately 1.03 grams of pesticide left. Round your answer to the nearest whole year.
Algebra: Structure And Method, Book 1
(REV)00th Edition
ISBN:9780395977224
Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Publisher:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. Cole
Chapter9: Systems Of Linear Equations
Section9.6: Wind And Water Current Problems
Problem 7P
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Transcribed Image Text:When a substance degrades exponentially over time, the amount of time required for half
of the substance to remain is called the half-life of the substance.
The half-life of a pesticide is 10 years. A farmer initially applies 200 grams of the pesticide
to a fence post.
Complete the following statements.
After 20 years, there are
the nearest whole gram.
After 60 years, there are
the nearest hundredth of a gram.
After
grams of pesticide left. Round your answer to
grams of pesticide left. Round your answer to
years, there are approximately 1.03 grams of pesticide
left. Round your answer to the nearest whole year.
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