document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43139>Question 43139</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I have to simplify the following expression.  Can you please tell me if I did this right?\r<BR>\n" );
document.write( "\n" );
document.write( "sqrt45x^23  That is the square root of 45 x to the 23rd power.\r<BR>\n" );
document.write( "\n" );
document.write( "Here is what I am getting.  I'm not sure I am doing the \"to the power\" part right.\r<BR>\n" );
document.write( "\n" );
document.write( "sqrt 9*x^16*5x^7<BR>\n" );
document.write( "= sqrt9x^16 * sqrt5x^7<BR>\n" );
document.write( "= 3x^4 sqrt5x^7<BR>\n" );
document.write( "Am I right? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28223 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=28223\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Close.  You pull out the LARGEST perfect square you can, noticing that any even power of x is a perfect square, so that<BR>\n" );
document.write( "sqrt(45x^23) =<BR>\n" );
document.write( "sqrt(9x^22)*sqrt(5x) =<BR>\n" );
document.write( "3x^11 * sqrt(5x)<BR>\n" );
document.write( "Also notice that the square root of a power is half the power, not the square root of the exponent... </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );