document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=302739>Question 302739</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Lock combinations are made by using 4 digits. How many different lock combinations can be made if repetition of digits is allowed?\r<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 #217022 by </B><A HREF=/tutors/aboutme.mpl?userid=Fombitz><B>Fombitz(32388)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Fombitz><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=Fombitz><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=217022\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Assumption is 0 to 9 are the digits allowed for use. <BR>\n" );
document.write( "That's 10 in total for each of the 4 positions.<BR>\n" );
document.write( "N=10*10*10*10=10,000 combinations<BR>\n" );
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