document.write( "Question 1162876: After 20 minutes, an initial sample of 192 grams of a radioactive element decays to 6 grams. Determine the half-life of the element. \r
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Algebra.Com's Answer #786781 by ikleyn(52777)\"\" \"About 
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\n" ); document.write( "After 20 minutes, an initial sample of 192 grams of a radioactive element decays to 6 grams. Determine the half-life of the element. \r
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document.write( "\"192%2F6\" = 32 = \"2%5E5\".\r\n" );
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document.write( "5 half lives in 20 minutes.\r\n" );
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document.write( "One half-life period is  \"20%2F5\" = 4 minutes.\r\n" );
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\n" ); document.write( "\n" ); document.write( "Consider it as a joke Math problem.\r
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\n" ); document.write( "\n" ); document.write( "On radioactive decay, see the lesson\r
\n" ); document.write( "\n" ); document.write( "    - Radioactive decay problems \r
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