document.write( "Question 83458: One type of uranium has radioactive decay rate of 0.5%. If 20 pounds of this uranium is available today, find how much will still remain after 30days.
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document.write( " -0.005t
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document.write( "Use y=20(2.7) and let t be 30 days.\r
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document.write( "Quantity left after 30 days =\" \"pounds.( round to the nearest tenth) \n" );
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Algebra.Com's Answer #59975 by stanbon(75887) ![]() You can put this solution on YOUR website! One type of uranium has radioactive decay rate of 0.5%. If 20 pounds of this uranium is available today, find how much will still remain after 30days. \n" ); document.write( "---------------------------- \n" ); document.write( "A(t) = Ao (1-0.005)^t \n" ); document.write( "A(30) = 20(0.995)^30 \n" ); document.write( "A(30) = 20*0.8604 \n" ); document.write( "A(30) = 17.208 lbs. \n" ); document.write( "================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |