document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=320718>Question 320718</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify. Do not use negative exponents in the answer<BR>\n" );
document.write( "5^-8-5^10 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #229656 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=229656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5^-8-5^10<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "= 5^10-[1/(5^8)]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "lcd = 5^8<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Rewrite each fraction with the lcd as its denominator:<BR>\n" );
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document.write( "= [(5*8*5^10)/5*8] - [1/(5^8)]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= [5^18/lcd] - [1/lcd]<BR>\n" );
document.write( "---<BR>\n" );
document.write( "= [5^18 - 1]/5^8\r<BR>\n" );
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document.write( "===================<BR>\n" );
document.write( "where does the 1/5 fit into this problem how did you get that ad u changed 5^8lcd to 5^18 over -1 how did you do that i was trying to work that out\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );