Certain radioactive material decays in such a way that the mass remaining after t years is given by the function m(t) = 500e-0.015t where m(t) is measured in grams. (a) Find the mass at time t = 0. Your answer is (b) How much of the mass remains after 30 years? Your answer is Round answers to 1 decimal place.

Certain radioactive material decays in such a way that the mass remaining after t years is given by the function m(t) = 500e-0.015t where m(t) is measured in grams. (a) Find the mass at time t = 0. Your answer is (b) How much of the mass remains after 30 years? Your answer is Round answers to 1 decimal place.

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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