The amount A (in g) remaining of a radioactive substance after time t (in years) is found by solving the equation dA+0.039A dt=0. If there are 250 grams of the substance initially, solve for A as a function of t.

The amount A (in g) remaining of a radioactive substance after time t (in years) is found by solving the equation dA+0.039A dt=0. If there are 250 grams of the substance initially, solve for A as a function of t.

College Algebra

10th Edition

ISBN:9781337282291

Author:Ron Larson

Publisher:Ron Larson

Chapter5: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 28T: The half-life of radioactive actinium ( 227AC ) is 21.77 years. What percent of a present amount of...

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