document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=21200>Question 21200</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me with this problem Ive been out of school for awhile Im kind of rusty!!!!\r<BR>\n" );
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document.write( "4.242 * 10^2<BR>\n" );
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document.write( "2.10 * 10^-1  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #10179 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=10179\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> well, use a calculator?\r<BR>\n" );
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document.write( "if you need to do it by hand, then... 4.242x10^2 is 424.2\r<BR>\n" );
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document.write( "So <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28424.2%29%2F%282.1x10%5E%28-1%29%29 ALIGN=MIDDLE  ALT=\"%28424.2%29%2F%282.1x10%5E%28-1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "424.2/2.1 is 202 so we have <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28202%29%2F%281x10%5E%28-1%29%29 ALIGN=MIDDLE  ALT=\"%28202%29%2F%281x10%5E%28-1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > which can be thought of as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282.02x10%5E2%29%2F%281x10%5E%28-1%29%29 ALIGN=MIDDLE  ALT=\"%282.02x10%5E2%29%2F%281x10%5E%28-1%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > which then becomes <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.02x10%5E3 ALIGN=MIDDLE  ALT=\"2.02x10%5E3\"   DISABLED_style= \"max-width:90%; height:auto;\" > which is 2020.\r<BR>\n" );
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document.write( "This is a fair bit of messing around with numbers, but is all good practice for you.\r<BR>\n" );
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document.write( "jon. </SPAN>\n" );
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