At the beginning of an experiment, a scientist has 268 grams of radioactive goo. After 180 minutes, her sample has decayed to 4.1875 grams. What is the half-life of the goo in minutes?

Principles Of Radiographic Imaging: An Art And A Science
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ISBN:9781337711067
Author:Richard R. Carlton, Arlene M. Adler, Vesna Balac
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Chapter8: X-ray Production
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At the beginning of an experiment, a scientist has 268 grams of radioactive goo. After 180 minutes, her sample has decayed to 4.1875 grams.


What is the half-life of the goo in minutes?   


Find a formula for G(t)G(t), the amount of goo remaining at time tt.

 

How many grams of goo will remain after 32 minutes?

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