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Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
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iliya1 iliya1
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12 years ago
How many disintegrations occur in the technetium-99m sample in 5.0 sec?
   2.8 x 1011  
   7.5  
   2.0 x 10-10  
   5.6 x 1010  
   1.1 x 1010
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liddojoeliddojoe
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12 years ago
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#2
4 years ago
thank you!
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