document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=605869>Question 605869</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the exact value of the logarithm without using a calculator:\r<BR>\n" );
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document.write( "log3 (1/81) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #381832 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=381832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since 81 = 3^4, we can write the expression as<BR>\n" );
document.write( "log3(1/3^4) = log3(1) - log3(3^4) = 0 - 4*log3(3) = -4 </SPAN>\n" );
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