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symbo symbo
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Posts: 1970
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7 years ago
Suppose that at some time a particular sample of radioactive material contains N radioactive atoms (e.g., N might be one billion radioactive atoms). How many radioactive atoms will be left after three half-lives have passed?
A)   1/6 N
B)   1/8 N
C)   There will be no radioactive atoms left in the sample.
D)   1/2 N
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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7 years ago
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symbo Author
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7 years ago
This did it for me! Thank you
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