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A scientist discovers that a radioactive material has a half life of 1 day.

Suppose the scientist has 120 mg of the radioactive material in the lab at the beginning of a day. What will be the amount left at the beginning of day 2?

 Dec 4, 2014

Best Answer 

 #1
avatar+118608 
+15

Mmm

120mg

after one full day 60mg      {this is the end of the first day and the beginning of the second

 

So there will be 60mg left    

 Dec 5, 2014
 #1
avatar+118608 
+15
Best Answer

Mmm

120mg

after one full day 60mg      {this is the end of the first day and the beginning of the second

 

So there will be 60mg left    

Melody Dec 5, 2014
 #2
avatar+961 
+5

thank u meldoy

 Jan 8, 2015

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