document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=748723>Question 748723</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If you could help me out with this problem i would really appreciate it because i dont understand how to do it!! thank you so much.<BR>\n" );
document.write( " Before 1995, area codes had the following format: XYZ <BR>\n" );
document.write( "where x=2,3,4...,9; Y=0 or 1; Z=0,1,2,...9.<BR>\n" );
document.write( " a)How many area codes were possible before 1995? <BR>\n" );
document.write( "b)in 1995 the restrictions were removed from the middle digit, allowing any digit in that position. How many area codes were possible after this change was made?<BR>\n" );
document.write( " Thank you so so so very much!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #455657 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10555)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=455657\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "If you could help me out with this problem i would really appreciate it because i dont understand how to do it!! thank you so much.<BR>\n" );
document.write( " Before 1995, area codes had the following format: XYZ <BR>\n" );
document.write( "where x=2,3,4...,9; Y=0 or 1; Z=0,1,2,...9.<BR>\n" );
document.write( " a)How many area codes were possible before 1995? <BR>\n" );
document.write( "b)in 1995 the restrictions were removed from the middle digit, allowing any digit in that position. How many area codes were possible after this change was made?<BR>\n" );
document.write( " Thank you so so so very much!!!\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "Before 1995, the first digit or X could've been any of 8 digits (2 - 9), or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=_%5B8%5DP%5B8%5D ALIGN=MIDDLE  ALT=\"_%5B8%5DP%5B8%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The second digit or Y could've been any of 2 digits (0 or 1), or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=_%5B2%5DP%5B2%5D ALIGN=MIDDLE  ALT=\"_%5B2%5DP%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The third digit or Z could've been any of 10 digits (0 - 9), or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=_%5B10%5DP%5B10%5D ALIGN=MIDDLE  ALT=\"_%5B10%5DP%5B10%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Total number of area codes before 1995 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28_%5B8%5DP%5B8%5D%29+%2A+%28_%5B2%5DP%5B2%5D%29+%2A+%28_%5B10%5DP%5B10%5D%29 ALIGN=MIDDLE  ALT=\"%28_%5B8%5DP%5B8%5D%29+%2A+%28_%5B2%5DP%5B2%5D%29+%2A+%28_%5B10%5DP%5B10%5D%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%288.77879+%2A+10%5E11%29 ALIGN=MIDDLE  ALT=\"highlight_green%288.77879+%2A+10%5E11%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
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document.write( "After 1995, the first digit or X could've been any of 8 digits (2 - 9), or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=_%5B8%5DP%5B8%5D ALIGN=MIDDLE  ALT=\"_%5B8%5DP%5B8%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "The second digit or Y could've been any of 10 digits (0 - 9), or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=_%5B10%5DP%5B10%5D ALIGN=MIDDLE  ALT=\"_%5B10%5DP%5B10%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The third digit or Z could've been any of 10 digits (0 - 9), or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=_%5B10%5DP%5B10%5D ALIGN=MIDDLE  ALT=\"_%5B10%5DP%5B10%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Total number of area codes after 1995 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=_%5B8%5DP%5B8%5D+%2A+_%5B10%5DP%5B10%5D+%2A+_%5B10%5DP%5B10%5D ALIGN=MIDDLE  ALT=\"_%5B8%5DP%5B8%5D+%2A+_%5B10%5DP%5B10%5D+%2A+_%5B10%5DP%5B10%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%285.30941+%2A+10%5E17%29 ALIGN=MIDDLE  ALT=\"highlight_green%285.30941+%2A+10%5E17%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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