Use a model for exponential decay to solve: If 12 g of a radioactive substance are present initially and 4 years later only 6 g remain, how much of the substance will be present after 7 years? Round to the nearest hundredth of a gram.

College Algebra
1st Edition
ISBN:9781938168383
Author:Jay Abramson
Publisher:Jay Abramson
Chapter6: Exponential And Logarithmic Functions
Section6.1: Exponential Functions
Problem 62SE: A scientist begins with 100 milligrams of aradioactive substance that decays exponentially. After 35...
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Use a model for exponential decay to solve: If 12 g of a radioactive substance
are present initially and 4 years later only 6 g remain, how much of the substance will be
present after 7 years? Round to the nearest hundredth of a gram.

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