document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=87828>Question 87828</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have a question that states:  find each expression as a single radical then simplify your answer  double squareroot 80.  I do not know how to type this in so hopefully you can help by the way that I have done it. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #63809 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=63809\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+sqrt%28sqrt%2880%29%29+ ALIGN=MIDDLE  ALT=\"+sqrt%28sqrt%2880%29%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "A square root of a square root is actually a 4th root:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=root%284%2C80%29+ ALIGN=MIDDLE  ALT=\"root%284%2C80%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "To do a 4th root, you must know that 2^4=16 and 3^4= 81.  In this case, since 80 is divisible by 16, we use this number:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=root%284%2C80%29+ ALIGN=MIDDLE  ALT=\"root%284%2C80%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=root%284%2C16%29%2Aroot%284%2C5%29+ ALIGN=MIDDLE  ALT=\"root%284%2C16%29%2Aroot%284%2C5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2A+root%284%2C5%29+ ALIGN=MIDDLE  ALT=\"2%2A+root%284%2C5%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "R^2  Retired from SCC </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );