document.write( "Question 419422: A culture of bacteria obeys the law of uninhibited growth.\r
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document.write( "If 500 bacteria are present initially and there are 800 after 1 hour, how many will be present in the culture after 5 hours? \n" );
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Algebra.Com's Answer #293384 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! A culture of bacteria obeys the law of uninhibited growth. \n" ); document.write( "If 500 bacteria are present initially and there are 800 after 1 hour, \n" ); document.write( " how many will be present in the culture after 5 hours? \n" ); document.write( ": \n" ); document.write( "Ao*2^kt = A \n" ); document.write( "where \n" ); document.write( "Ao = initial amt \n" ); document.write( "k = constant value \n" ); document.write( "t = time in hrs \n" ); document.write( "A = resulting amt \n" ); document.write( ": \n" ); document.write( "500*2^1k = 800 \n" ); document.write( "2^k = \n" ); document.write( "k*ln(2) = ln(1.6) \n" ); document.write( "k = \n" ); document.write( "k = .678 \n" ); document.write( ": \n" ); document.write( " how many will be present in the culture after 5 hours? \n" ); document.write( "A = 500*2^(.678*5) \n" ); document.write( "A = 500*2^(.678*5) \n" ); document.write( "A = 500*2^3.39 \n" ); document.write( "A = 500*10.4857 \n" ); document.write( "A = 5243 present in the culture after 5 hrs \n" ); document.write( " |