50 mg of radioactive substance decays by 20% in 10 years a. what is the value of k in the formula y=ae^kt where y is the amount of radioactive substance? b. what is the value of b in the formula y = ab^t where y is the amount of the radioactive substance at t years? c. how long will it take until there is 20% remaining?

50 mg of radioactive substance decays by 20% in 10 years a. what is the value of k in the formula y=ae^kt where y is the amount of radioactive substance? b. what is the value of b in the formula y = ab^t where y is the amount of the radioactive substance at t years? c. how long will it take until there is 20% remaining?

Linear Algebra: A Modern Introduction

4th Edition

ISBN:9781285463247

Author:David Poole

Publisher:David Poole

Chapter6: Vector Spaces

Section6.7: Applications

Problem 13EQ

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