document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=427789>Question 427789</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am working on exponents and have a couple of questions.\r<BR>\n" );
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document.write( "1) Solve -r^-2 if r=-3<BR>\n" );
document.write( "I know the answer is -1/9 but I don't understand why it is a negative. I thought the negative symbol in the problem and the negative symbol on the 3 would cancel each other out and make it a positive.\r<BR>\n" );
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document.write( "2) What is the difference between the following three probs. I am just not understanding what to do about the - sign and when to do it!<BR>\n" );
document.write( "-5^-3<BR>\n" );
document.write( "(-5)^-3<BR>\n" );
document.write( "-(5)^3\r<BR>\n" );
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document.write( "I was not sure how to show the exponents and someone told me to use the ^ symbol so I did. Hope it makes sense. I am stuck!!<BR>\n" );
document.write( "Thank you.<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 #297529 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=297529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1) Solve -r^-2 if r=-3<BR>\n" );
document.write( "Replace r with -3 and write it like this in your calc:<BR>\n" );
document.write( "-(-3)^-2, you will get -.1111 which is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F9 ALIGN=MIDDLE  ALT=\"-1%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Because if you thought of it as<BR>\n" );
document.write( "-(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F-3 ALIGN=MIDDLE  ALT=\"1%2F-3\"   DISABLED_style= \"max-width:90%; height:auto;\" >*<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F-3 ALIGN=MIDDLE  ALT=\"1%2F-3\"   DISABLED_style= \"max-width:90%; height:auto;\" >) = -(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F9 ALIGN=MIDDLE  ALT=\"1%2F9\"   DISABLED_style= \"max-width:90%; height:auto;\" >)<BR>\n" );
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document.write( "2) What is the difference between the following three probs. I am just not understanding what to do about the - sign and when to do it!<BR>\n" );
document.write( "-5^-3<BR>\n" );
document.write( "(-5)^-3<BR>\n" );
document.write( "-(5)^3 <BR>\n" );
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document.write( "There is no difference in the first two, enter each like it is written into your calc, they will all give the same result, that last one will = -125 </SPAN>\n" );
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