document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=597479>Question 597479</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me simlify this problem:<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E9%28r%5E-5%29%2Fr%5E-2%28r%5E-7%29 ALIGN=MIDDLE  ALT=\"r%5E9%28r%5E-5%29%2Fr%5E-2%28r%5E-7%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #378215 by </B><A HREF=/tutors/aboutme.mpl?userid=math-vortex><B>math-vortex(648)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math-vortex><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=math-vortex><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=378215\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi, there--<BR>\n" );
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document.write( "Simplify<BR>\n" );
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document.write( "When you multiply exponential expressions, you add their exponents: (r^9)(r^-5)=r^4 because 9+(-5)=4. Likewise, (r^-2)(r^-7)=r^-9<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5E9%28r%5E-5%29%2Fr%5E-2%28r%5E-7%29=r%5E4%2Fr%5E-9 ALIGN=MIDDLE  ALT=\"r%5E9%28r%5E-5%29%2Fr%5E-2%28r%5E-7%29=r%5E4%2Fr%5E-9\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "When you divide exponential expressions you subtract there exponents: r^4/r^-9=r^13 because 4-(-9)=13.<BR>\n" );
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document.write( "That's it!<BR>\n" );
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document.write( "Feel free to email me via gmail if you have questions about this.<BR>\n" );
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document.write( "Ms.Figgy<BR>\n" );
document.write( "math.in.the.vortex@gmail.com </SPAN>\n" );
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