document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=723113>Question 723113</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the exponential equation algebraically. Approximate the result to three decimal places. (If there is no solution, enter NO SOLUTION.)<BR>\n" );
document.write( "7^&#8722;5t = 0.2<BR>\n" );
document.write( "t=? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #443031 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=443031\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7^&#8722;5t = 0.2<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "log(7^&#8722;5t) = log(0.2)<BR>\n" );
document.write( "-5t*log(7) = log(0.2)<BR>\n" );
document.write( "t = -log(0.2)/(5*log(7))<BR>\n" );
document.write( "t =~ 0.165 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );