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Home Q & A Board Science-Related Homework Help Physics
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Chery Chery
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7 years ago
How long will it take a 4.50-kBq sample of material to reach an activity level of 0.140 kBq if the half-life of the sample is 435 years?
A) 14,478 years
B) 3245 years
C) 2178 years
D) 1993 years
Textbook 
College Physics

College Physics


Edition: 1st
Authors:
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noreyaganoreyaga
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#1
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7 years ago
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Chery Author
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#2
7 years ago
You're right again!

Appreciate it
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