February 28, 2017

Homework Help: Science

Posted by Korina on Saturday, January 29, 2011 at 9:31pm.

If a radioactive isotope has half life of 5 days,how long will it take for its radioactive strength to be a maximum of one thousandth,(1/1000) of its original value?

Can anyone give me a VERY SIMPLE explanation of this please?

Thank you.

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