document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=697208>Question 697208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This problem I am completely confused I'm not sure what to do with it. (16/81)^-1/4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #429771 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=429771\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a general rule is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a%5E%28-b%29+=+%281%2Fa%29%5Eb+ ALIGN=MIDDLE  ALT=\"+a%5E%28-b%29+=+%281%2Fa%29%5Eb+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, you have<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+16%2F81+ ALIGN=MIDDLE  ALT=\"+a+=+16%2F81+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-b+=+-1%2F4+ ALIGN=MIDDLE  ALT=\"+-b+=+-1%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2Fa+=+81%2F16+ ALIGN=MIDDLE  ALT=\"+1%2Fa+=+81%2F16+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+1%2F4+ ALIGN=MIDDLE  ALT=\"+b+=+1%2F4+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+16%2F81+%29%5E%28-1%2F4%29+=+%28+81%2F16+%29%5E%281%2F4%29+ ALIGN=MIDDLE  ALT=\"+%28+16%2F81+%29%5E%28-1%2F4%29+=+%28+81%2F16+%29%5E%281%2F4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and, since<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+81%2F16+=+%28+3%2A3%2A3%2A3+%29+%2F+%28+2%2A2%2A2%2A2+%29+ ALIGN=MIDDLE  ALT=\"+81%2F16+=+%28+3%2A3%2A3%2A3+%29+%2F+%28+2%2A2%2A2%2A2+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28+81%2F16+%29%5E%281%2F4%29+=+3%2F2+ ALIGN=MIDDLE  ALT=\"%28+81%2F16+%29%5E%281%2F4%29+=+3%2F2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "You can check it on your calculator:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+16%2F81+=+.19753+ ALIGN=MIDDLE  ALT=\"+16%2F81+=+.19753+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now do <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.19753%5E%28-.25%29+=+1.5+ ALIGN=MIDDLE  ALT=\"+.19753%5E%28-.25%29+=+1.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " <BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );