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2. The rate of decay of radium is proportional to the amount present at any time. If 60 mg of radium are present now, and its half life is 1690 years, how much radium will be present 100 years from now? Note: the half life of a substance is the time required for half of it to decay.

2. The rate of decay of radium is proportional to the amount present at any time. If 60 mg of radium are present now, and its half life is 1690 years, how much radium will be present 100 years from now? Note: the half life of a substance is the time required for half of it to decay.

Algebra & Trigonometry with Analytic Geometry
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter5: Inverse, Exponential, And Logarithmic Functions
Section: Chapter Questions
Problem 18T
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2. The rate of decay of radium is proportional to the amount present at any time. If 60 mg of radium are present now, and its half life is 1690 years, how much radium will be present 100 years from now? Note: the half life of a substance is the time required for half of it to decay.
Transcribed Image Text:2. The rate of decay of radium is proportional to the amount present at any time. If 60 mg of radium are present now, and its half life is 1690 years, how much radium will be present 100 years from now? Note: the half life of a substance is the time required for half of it to decay.
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