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April 18, 2014

Homework Help: Math

Posted by Jason on Tuesday, August 28, 2012 at 8:34pm.

The half-life of radioactive strontium-90 is approximately 28 years. In 1962, radioactive strontium-90 was released into the atmosphere during testing of nuclear weapons, and was absorbed into people's bones. How many years does it take until only 6 percent of the original amount absorbed remains?

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