document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=22180>Question 22180</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,<BR>\n" );
document.write( "Simplify\r<BR>\n" );
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document.write( "(-3x^2y^3)= -27x^6y^3 (my answer)\r<BR>\n" );
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document.write( "2(x^-3y^2)^2 = (2x^-3.2^y)2 (my answer)\r<BR>\n" );
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document.write( "could you please tell me if i answered these correctly.<BR>\n" );
document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #11704 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=11704\">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=%28-3x%5E2y%5E3%29=+-27x%5E6y%5E3+ ALIGN=MIDDLE  ALT=\"%28-3x%5E2y%5E3%29=+-27x%5E6y%5E3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (my answer)\r<BR>\n" );
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document.write( "In the first case, notice that the parentheses are outside the exponent.  This means that the 3 exponent just inside the parentheses applies ONLY to the y.  You do NOT cube anything else.  Your answer is not correct.\r<BR>\n" );
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document.write( "If the problem had been written:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-3x%5E2y%29%5E3+ ALIGN=MIDDLE  ALT=\"%28-3x%5E2y%29%5E3+\"   DISABLED_style= \"max-width:90%; height:auto;\" > with the parentheses on the INSIDE of the exponent, then you would be correct to say: <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-27x%5E6y%5E3 ALIGN=MIDDLE  ALT=\"-27x%5E6y%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "The expression <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-3x%5E2y%5E3%29+ ALIGN=MIDDLE  ALT=\"+%28-3x%5E2y%5E3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > cannot be simplified.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%28x%5E%28-3%29%2Ay%5E2%29%5E2+ ALIGN=MIDDLE  ALT=\"2%28x%5E%28-3%29%2Ay%5E2%29%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" >  I'm not sure what you tried to do in the second one.  This is correct, if I've interpreted your problem correctly.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2%28x%5E%28-6%29%2Ay%5E4+%29 ALIGN=MIDDLE  ALT=\"+2%28x%5E%28-6%29%2Ay%5E4+%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%281%2F%28x%5E6%29%29%2Ay%5E4%29+ ALIGN=MIDDLE  ALT=\"2%281%2F%28x%5E6%29%29%2Ay%5E4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%282y%5E4%29%2F%28x%5E6%29+ ALIGN=MIDDLE  ALT=\"+%282y%5E4%29%2F%28x%5E6%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "R^2 at SCC <BR>\n" );
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