document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=430776>Question 430776</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the change of base formula to calculate log3 21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #299111 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=299111\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Use change of Base rule -->  http://hyperphysics.phy-astr.gsu.edu/hbase/logm.html\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=Log%5B3%5D%2821%29+=+log%2821%29%2Flog%283%29+=+2.7712 ALIGN=MIDDLE  ALT=\"Log%5B3%5D%2821%29+=+log%2821%29%2Flog%283%29+=+2.7712\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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