document.write( "Question 1102741: Sodium – 24 has a half life of 15 hours. How many grams of a 900 G sample will remain after 90 hours? \n" ); document.write( "
Algebra.Com's Answer #717462 by ikleyn(52908)\"\" \"About 
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document.write( "90 hours = 15*6 = 6 times half-life  ===================>\r\n" );
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document.write( "The amount of the Sodium-24 remained after 90 hours will be  \"900%2F2%5E6\" = 14.0625 grams.\r\n" );
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