document.write( "Question 47047This question is from textbook
\n" ); document.write( ": The population P of a certain culture is expected to be given by a model P=100e^rt where r is a constant to be determined and t is a number of days since the original population of 100 was established. Find the value of r if the population is expected to reach 200 in 3 days.\r
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Algebra.Com's Answer #31176 by Nate(3500) $\"\"$ $\"About$

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P = 100e^(rt)
\n" ); document.write( "200 = 100e^(3r)
\n" ); document.write( "ln(2) = 3r
\n" ); document.write( "ln(2)/3 = r
\n" ); document.write( "About 23% \n" ); document.write( "

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