document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=973845>Question 973845</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Rewrite log7(151) using base-10 logarithms. Find an apporx. answer rounded to three decimal places. \r<BR>\n" );
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document.write( "I have no idea how to even begin this question because the notes I was given (I do correspondence work at home) don't even mention base 10 logarithms. \r<BR>\n" );
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document.write( "If somebody could explain this that would be wonderful.   </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #595892 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=595892\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Rewrite log7(151) using base-10 logarithms. Find an apporx. answer rounded to three decimal places. \r<BR>\n" );
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document.write( "I have no idea how to even begin this question because the notes I was given (I do correspondence work at home) don't even mention base 10 logarithms. <BR>\n" );
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document.write( "Base 10 is the default base.  If no other base is given, it's base 10.<BR>\n" );
document.write( "The Log button on calculators does base 10.<BR>\n" );
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document.write( "For <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%287%2C151%29 ALIGN=MIDDLE  ALT=\"log%287%2C151%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > use the base change formula:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%287%2C151%29+=+log%28151%29%2Flog%287%29 ALIGN=MIDDLE  ALT=\"log%287%2C151%29+=+log%28151%29%2Flog%287%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "=~ 2.578<BR>\n" );
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document.write( "The log is the exponent.<BR>\n" );
document.write( "--> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7%5E2.578+=150.89 ALIGN=MIDDLE  ALT=\"7%5E2.578+=150.89\"   DISABLED_style= \"max-width:90%; height:auto;\" > (not 151 due to round-off error) </SPAN>\n" );
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