document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43341>Question 43341</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to find the indicated root or state that the expression is not a real number.  Can you please tell me if I'm right?\r<BR>\n" );
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document.write( "The problem is:\r<BR>\n" );
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document.write( "-4th root Sqrt81<BR>\n" );
document.write( "I can't find anywhere that it says if the root number is negative whether or not it is a real number.  If I multiply negative 3 out 4 times I get 81.  Please help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28364 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=28364\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Are you looking for the four 4th roots of 81?<BR>\n" );
document.write( "or are you looking for the four 4th roots of sqrt(81)?\r<BR>\n" );
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document.write( "What you say about 3^4 being 81 is correct but it is<BR>\n" );
document.write( "hard to tell from your posting exactly what problem you<BR>\n" );
document.write( "are trying to solve.\r<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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