document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=549990>Question 549990</A>: <I><SPAN STYLE=\"word-break: break-all;\"> perform the indicated operation and simplify if possible<BR>\n" );
document.write( "-20/21.7/30.(-11) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #358340 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=358340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If I believe those dots are decimal points, a dot after 30 suggests there is a missing decimal part that was inadvertently left out.<BR>\n" );
document.write( "However, I believe those were probably middle dots, indicating multiplication, that did not end up appearing as intended.<BR>\n" );
document.write( "According to the rules of order of operations, when you have just multiplications and divisions, you just do one operation at a time, in order from left to right.<BR>\n" );
document.write( "-20/<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21%2A7 ALIGN=MIDDLE  ALT=\"21%2A7\"   DISABLED_style= \"max-width:90%; height:auto;\" >/<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A%28-11%29 ALIGN=MIDDLE  ALT=\"30%2A%28-11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=-(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%2F21%29%2A7 ALIGN=MIDDLE  ALT=\"%2820%2F21%29%2A7\"   DISABLED_style= \"max-width:90%; height:auto;\" >)/<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A%28-11%29 ALIGN=MIDDLE  ALT=\"30%2A%28-11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "At this point we can simplify something.<BR>\n" );
document.write( "-(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%2F21%29%2A7 ALIGN=MIDDLE  ALT=\"%2820%2F21%29%2A7\"   DISABLED_style= \"max-width:90%; height:auto;\" >)/<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A%28-11%29 ALIGN=MIDDLE  ALT=\"30%2A%28-11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%2A7%2F21%29 ALIGN=MIDDLE  ALT=\"%2820%2A7%2F21%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >/<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A%28-11%29 ALIGN=MIDDLE  ALT=\"30%2A%28-11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = -<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%2F3%29 ALIGN=MIDDLE  ALT=\"%2820%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >/<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A%28-11%29 ALIGN=MIDDLE  ALT=\"30%2A%28-11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "From there on,<BR>\n" );
document.write( "-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%2F3%29 ALIGN=MIDDLE  ALT=\"%2820%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >/<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2A%28-11%29 ALIGN=MIDDLE  ALT=\"30%2A%28-11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >=-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2820%2F%283%2A30%29%29 ALIGN=MIDDLE  ALT=\"%2820%2F%283%2A30%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >(-11)=-<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282%2F9%29 ALIGN=MIDDLE  ALT=\"%282%2F9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >(-11)=22/9<BR>\n" );
document.write( "Multiplication has no priority over division, despite what PEMDAS suggests. In the acronym, M and D should really be one on top of another. </SPAN>\n" );
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