document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=48072>Question 48072</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify by first converting to rational exponents.  Assume that all variables represent positive numbers.\r<BR>\n" );
document.write( "\n" );
document.write( "<a  rel=nofollow HREF=\"http://photobucket.com\" target=\"_blank\"><IMG STYLE=\"max-width:80%;\" src=\"http://i83.photobucket.com/albums/j300/q43000gt/8q3g2.gif\" border=\"0\" alt=\"Photobucket - Video and Image Hosting\"></a> </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #31801 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=31801\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> =(x^21)^(1/3) <BR>\n" );
document.write( "=x^7\r<BR>\n" );
document.write( "\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );