document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48554>Question 48554</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am taking a Pre-Calculus Algebra class online and I am at a complete loss. Please help!!\r<BR>\n" );
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document.write( "Perform the indicated operations. Write the result using only positive exponents and assume all variables represent nonzero real numbers.\r<BR>\n" );
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document.write( "9r^-3(r^4)^4/2(r^-2)^5\r<BR>\n" );
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document.write( "Rationalize the denominator. Assume all variables represent positve real numbers.\r<BR>\n" );
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document.write( "5&#8730;11x/&#8730;x^3\r<BR>\n" );
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document.write( "Your help would be greatly appreciated - like I said I am at a complete loss.\r<BR>\n" );
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document.write( "Thanks in advance!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #32167 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=32167\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 9r^-3(r^4)^4/2(r^-2)^5\r<BR>\n" );
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document.write( "[9(1/r^3)r^16] / [2(1/r^10)]<BR>\n" );
document.write( "[9r^13]/[2/r^10]<BR>\n" );
document.write( "(9/2)r^3<BR>\n" );
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document.write( "Rationalize the denominator. Assume all variables represent positve real numbers. <BR>\n" );
document.write( "5&#8730;11x/&#8730;x^3 \r<BR>\n" );
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document.write( "Multiply numerator and denominator by sqrtx to get:\r<BR>\n" );
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document.write( "5sqrt(11x^2)/sqrt(x^4)<BR>\n" );
document.write( "=5xsqrt11/x^2<BR>\n" );
document.write( "=5sqrt11/x\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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