The half-life of polonium is 139 days, but your sample will not be useful to you after 91%of the radioactive nuclei present on the day the sample arrives has disintegrated. For about how many days after the sample arrives will you be able to use the polonium?

The half-life of polonium is 139 days, but your sample will not be useful to you after 91%of the radioactive nuclei present on the day the sample arrives has disintegrated. For about how many days after the sample arrives will you be able to use the polonium?

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter5: Inverse, Exponential, And Logarithmic Functions

Section: Chapter Questions

Problem 15T

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Question

The half-life of polonium is 139 days, but your sample will not be useful to you after 91% of the radioactive nuclei present on the day the sample arrives has
disintegrated. For about how many days after the sample arrives will you be able to use the polonium?
The polonium sample can be used for approximately
days.
(Round to one decimal place as needed.)

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The​ half-life of polonium is 139​ days, but your sample will not be useful to you after 91​%of the radioactive nuclei present on the day the sample arrives has disintegrated. For about how many days after the sample arrives will you be able to use the​ polonium?

The half-life of polonium is 139 days, but your sample will not be useful to you after 91%of the radioactive nuclei present on the day the sample arrives has disintegrated. For about how many days after the sample arrives will you be able to use the polonium?