document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=562628>Question 562628</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the log base3 of 21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #365016 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=365016\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> what is the log base3 of 21<BR>\n" );
document.write( "you need a calculator to do this, but calculators usually only have base 10 and base e log functions, so we need to convert to one of these bases like base 10<BR>\n" );
document.write( "log base3 of 21<BR>\n" );
document.write( "convert to base 10<BR>\n" );
document.write( "log base 10 of 21/log base 10 of 3<BR>\n" );
document.write( "you can now do it on the calculator with the log key<BR>\n" );
document.write( "log base3 of 21&#8776;2.7712...<BR>\n" );
document.write( "In other words, 3^2.7712..=21 </SPAN>\n" );
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