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April 20, 2014

Homework Help: science

Posted by Anonymous on Tuesday, March 19, 2013 at 12:19pm.

Suppose a laboratory has a 31 g sample of polonium-210. The half-life of polonium-210 is about 138 days. How many half-lives of polonium-210 occur in 966 days? How much polonium is in the sample 966 days later?

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