document.write( "Question 1102662: THE AMOUNT OF RADIOACTIVE SUBSTANCE PRESENT, IN POUNDS, AT TIME T, IN DAYS IS GIVEN BY THE FORMULA Y=60(2)^0.2T FIND THE NUMBER OF POUNDS PRESENT IN 30 DAYS \n" ); document.write( "

Algebra.Com's Answer #717358 by Boreal(15235) $\"\"$ $\"About$

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want 60(2^(0.2t)) which for t=30, 0.2t=6, so it is 60*2^6=60*64=3840 pounds
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