document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1029068>Question 1029068</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Given that<BR>\n" );
document.write( "log8 5 = 0.7740<BR>\n" );
document.write( "and<BR>\n" );
document.write( "log8 11 = 1.1531<BR>\n" );
document.write( "evaluate the expression<BR>\n" );
document.write( "log8 320 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #644119 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=644119\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log 8 (320)=log 8 (5)+log 8(64)=2.7740, because log 8 (64)=2.<BR>\n" );
document.write( "Check with change of base formula<BR>\n" );
document.write( "log8 320=log 10 320/log 10 8= 2.77397 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );