Asked by Anonymous
the half life of radium is 1600 years of 100 grams of radium existing now 25 grams will remain after how many years
Answers
Answered by
bobpursley
that looks like two half lives to me: one half life is 50 grams, two half lives is 25 grams remaining.
1600*2=3200 years
1600*2=3200 years
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