document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=767990>Question 767990</A>: <I><SPAN STYLE=\"word-break: break-all;\"> i cant get my answer in E notation can someone help me please...<BR>\n" );
document.write( "China is one of the biggest potential markets for US autos. In 2010, there were 1.38E8 car owners in China and the number was growing with a doubling time of 6.3 years. How many car owners would you predict for that country in 2020?Owners (E notation, 2 decimals)???  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #467997 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=467997\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The E notation appears to be similar to scientific notation, the E disignating an exponent on 10.  <BR>\n" );
document.write( "1.38E8 seems to be a way to show 1.38x10^8.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=Ie%5E%28kx%29 ALIGN=MIDDLE  ALT=\"N=Ie%5E%28kx%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "N=count of car owners after time x<BR>\n" );
document.write( "I=initial count of car owners when x is taken at 0<BR>\n" );
document.write( "k=a constant<BR>\n" );
document.write( "x=time passage in years since 2010\r<BR>\n" );
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document.write( "We find k first, using the doubling time.<BR>\n" );
document.write( "Let N=2I and x=6.3.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2I=Ie%5E%28k%2A6.3%29 ALIGN=MIDDLE  ALT=\"2I=Ie%5E%28k%2A6.3%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=e%5E%28k%2A6.3%29 ALIGN=MIDDLE  ALT=\"2=e%5E%28k%2A6.3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ln%282%29=6.3%2Ak%2Aln%28e%29=6.3%2Ak%2A1=6.3%2Ak ALIGN=MIDDLE  ALT=\"ln%282%29=6.3%2Ak%2Aln%28e%29=6.3%2Ak%2A1=6.3%2Ak\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=%281%2F6.3%29ln%282%29 ALIGN=MIDDLE  ALT=\"k=%281%2F6.3%29ln%282%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "As a value we can just calculate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=0.110 ALIGN=MIDDLE  ALT=\"k=0.110\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "EQUATION TO APPLY IS <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28N=1.38%2A10%5E8%2Ae%5E%280.110%2Ax%29%29 ALIGN=MIDDLE  ALT=\"highlight%28N=1.38%2A10%5E8%2Ae%5E%280.110%2Ax%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "At x=0, year is 2010.  I=1.38*10^8<BR>\n" );
document.write( "Just be aware this question has an accuracy problem, because the doubling information is based on nearest tenth of a year but year point values are only to the nearest year.  Answers can be at best, only estimations.\r<BR>\n" );
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document.write( "So with this question, in year 2020, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=2020-2010=10 ALIGN=MIDDLE  ALT=\"x=2020-2010=10\"   DISABLED_style= \"max-width:90%; height:auto;\" > years.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=1.38%2A10%5E8%2Ae%5E%280.110%2A10%29 ALIGN=MIDDLE  ALT=\"N=1.38%2A10%5E8%2Ae%5E%280.110%2A10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=1.38%2A10%5E8%2A3.00487 ALIGN=MIDDLE  ALT=\"N=1.38%2A10%5E8%2A3.00487\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=N=4.15%2A10%5E8 ALIGN=MIDDLE  ALT=\"N=4.15%2A10%5E8\"   DISABLED_style= \"max-width:90%; height:auto;\" >, might be better to say <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%284.1%2A10%5E8%29 ALIGN=MIDDLE  ALT=\"highlight%284.1%2A10%5E8%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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