document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=118622>Question 118622</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078656095/algebrahomeworkh>Glencoe Mathematics  Algeabra II</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> I have a few Questions about negative fractional exponents. I was unable to find the answer any where on the Internet.<BR>\n" );
document.write( "  The question is what I need to do in general with them. I will state the problem and then show all the work I am able to do.\r<BR>\n" );
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document.write( "                  The Problem is:  81 with an exponent of -(3/4)\r<BR>\n" );
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document.write( "                           P.S. sorry I was not able to use the formate plotting system<BR>\n" );
document.write( "         I know that I need to start by putting it into radical form as follows:\r<BR>\n" );
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document.write( "                              <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=sqrt4%2881%5E-3%29 ALIGN=MIDDLE  ALT=\"sqrt4%2881%5E-3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "         That is where I get lost. Can you please help me.\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #86728 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=86728\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The Problem is: 81 with an exponent of -(3/4) <BR>\n" );
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document.write( "The negative sign means \"invert\".<BR>\n" );
document.write( "The 3 means \"cube\"<BR>\n" );
document.write( "The 4 in the denominator means \"take the 4th root\".<BR>\n" );
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document.write( "You may do these in any order and still arrive at the right value.<BR>\n" );
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document.write( "The best 1st step is to take the 4th root as that gives you a smaller<BR>\n" );
document.write( "number to work with:<BR>\n" );
document.write( "Taking the 4th rood you have 3^(-3)<BR>\n" );
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document.write( "Now you can \"invert\" or \"cube\":<BR>\n" );
document.write( "If you \"invert\" you get (1/3)^3<BR>\n" );
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document.write( "If you now \"cube\" you get 1/27 as the final answer.<BR>\n" );
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document.write( "Try the instruction in some other order and you will<BR>\n" );
document.write( "get the same answer.<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
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