document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=134751>Question 134751</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the telephone extensions at a company use 4 digits\r<BR>\n" );
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document.write( "a. how many extensions are possible if there no restrictions?<BR>\n" );
document.write( "b. how mant extensions are possible if the first digit cannot be 0 or 9?<BR>\n" );
document.write( "c. how many extensions are possible if the first digit can only be 1? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #98582 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=98582\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 10^4=10,000 POSSIBLE 4 DIGIT EXTENSIONS.<BR>\n" );
document.write( "8*10^3=8,000 POSSIBLE EXTENSIONS WITHOUT A 0 OR 9 AS THE FIRST DIGIT.<BR>\n" );
document.write( "1*10^3=1,000 POSSIBLE EXTENSIONS BEGINNING WITH A 1. </SPAN>\n" );
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