document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1062501>Question 1062501</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a) how many 3-digit numbers can be formed using only 2,3,5,6,7 and 9 with no repeats?<BR>\n" );
document.write( "b)how many of these numbers are less than 400?even?odd?multiple of5?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #677420 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=677420\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a) how many 3-digit numbers can be formed using only 2,3,5,6,7 and 9 with no repeats?<BR>\n" );
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document.write( "The 1st # is 1 of 6.<BR>\n" );
document.write( "Then 1 of 5, then 1 of 4<BR>\n" );
document.write( "--> 6*5*4 = 120<BR>\n" );
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document.write( "b)how many of these numbers are less than 400?<BR>\n" );
document.write( "Same as above, except the 1st # is 2 or 3, --> 1 of 2<BR>\n" );
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document.write( "even?<BR>\n" );
document.write( "Similar to above<BR>\n" );
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document.write( "odd?<BR>\n" );
document.write( "multiple of 5?<BR>\n" );
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