document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=490901>Question 490901</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many different two digit positive integers can be formed from the<BR>\n" );
document.write( "digits:0, 1, 2, 3, 4, 5, 6, 7, 8, 9. (i) When repetition is not allowed,<BR>\n" );
document.write( "(ii) When repetition is allowed. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #334405 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=334405\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many different two digit positive integers can be formed from the<BR>\n" );
document.write( "digits:0, 1, 2, 3, 4, 5, 6, 7, 8, 9.<BR>\n" );
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document.write( "Note: 0 cannot be the leftmost digit.<BR>\n" );
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document.write( "(i) When repetition is not allowed,<BR>\n" );
document.write( "Ans: 9*9 = 81 2-digit integers<BR>\n" );
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document.write( "(ii) When repetition is allowed.<BR>\n" );
document.write( "Ans: 9*10 = 90 2 digit integers<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );