document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1067221>Question 1067221</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A population of bacteria is growing according to the exponential model <BR>\n" );
document.write( "P = 100e^-70t , where P is the number of colonies and t is measured in hours. After how many hours will 300 colonies be present? [Round answer to the nearest tenth.] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #682414 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=682414\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A population of bacteria is growing according to the exponential model <BR>\n" );
document.write( "P = 100e^-70t , where P is the number of colonies and t is measured in hours. After how many hours will 300 colonies be present? [Round answer to the nearest tenth.<BR>\n" );
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document.write( "Solve for \"t\"::<BR>\n" );
document.write( "300 = 100*e^(-70t)<BR>\n" );
document.write( "e^(-70t) = 3<BR>\n" );
document.write( "-70t = ln(3)<BR>\n" );
document.write( "-70t = 1.0986<BR>\n" );
document.write( "Comment:: t would be negative.<BR>\n" );
document.write( "Please check your post.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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