A radioactive substance decays according to the equation N = 105 e SIA where N is the number of milligrams remaining after t hours. How long will it take for only 30 milligrams of th substance to remain?

A radioactive substance decays according to the equation N = 105 e SIA where N is the number of milligrams remaining after t hours. How long will it take for only 30 milligrams of th substance to remain?

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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Differential Equations

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A radioactive substance decays according to the equation N = 105 e VAS TH where N is the number of milligrams remaining after t hours. How long will it take for only 30 milligrams of the
substance to remain?
Select one:
O 51.3 hrs

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