October 7, 2015

Homework Help: algebra

Posted by anon on Thursday, May 9, 2013 at 4:54pm.

1) how many billions of years will it take 1000 grams of uranium-238 to decay to just 125 grams?

2) a researcher had 37.5 g left from a 600 g sample of sulfer-35. how many half-lives passed during that time?

3) look at problem 2. how many days passed during that time?

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