document.write( "Question 672741: The number of bacteria in a culture is increasing according to the law of exponential growth. After 2 hours, there are 200 bacteria, and after 4 hours, there are 800 bacteria. How many bacteria will there be after 5 hours?
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Algebra.Com's Answer #418442 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! The number of bacteria in a culture is increasing according to the law of exponential growth. \n" ); document.write( " After 2 hours, there are 200 bacteria, and after 4 hours, there are 800 bacteria. \n" ); document.write( ": \n" ); document.write( "Let's assume we start out with 50 bacteria \n" ); document.write( "t = hrs \n" ); document.write( "50*2^1 = 100 after 1 hr \n" ); document.write( "50*2^2 = 200 after 2 hrs, as given above \n" ); document.write( "50*2^4 = 800 after 4 hrs, as given \n" ); document.write( ": \n" ); document.write( "How many bacteria will there be after 5 hours? \n" ); document.write( ":\r \n" ); document.write( "\n" ); document.write( "50*2^5 = 1600 bacteria \n" ); document.write( " |