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Home Q & A Board Science-Related Homework Help Physics Astronomy
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adreamer adreamer
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7 years ago
If originally there were X atoms of radioactive isotope present and now there are only X/8 atoms, how many half-lives have elapsed?
A) 3
B) 1
C) 4
D) 2
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
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19Clyde19Clyde
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7 years ago
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adreamer Author
wrote...

7 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
cipcal
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Yesterday
Thanks
yen
wrote...

2 hours ago
Good timing, thanks!
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