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Physics 17 Online
OpenStudy (anonymous):

Each time you dumped the pennies, one half-life passed; it has been shown that the half-life for this radioactive isotope is 20 years. In the year 2000, an archaeology team unearths pottery and is using this isotope for radiometric dating to place the age of the pottery. It is shown that 95% of the nuclei have decayed. Approximately how long ago was the pottery made?

OpenStudy (anonymous):

@amistre64 @robtobey @ash2326 Anyone please help!

OpenStudy (anonymous):

12 hours

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