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March 26, 2015

March 26, 2015

Posted by **Matthew** on Sunday, January 9, 2011 at 9:48pm.

- Physics 30 -
**drwls**, Sunday, January 9, 2011 at 9:52pmRadioactivity is half as much (900 Bq) after 16 days. For other times t (in days), use the equation

Activity = 1800 * (1/2)^(t/16)

t/16 is an exponent.

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