February 23, 2017

Homework Help: half-life of radioisotope

Posted by Stephanie on Friday, October 31, 2008 at 7:23pm.

A radioisotope has a half-life of 4 days. How much of a 20-gram sample of this radioisotope remains at the end of each time period?

1) 4 days

2) 8 days

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