document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=259577>Question 259577</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the units digit of 7^15?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #191043 by </B><A HREF=/tutors/aboutme.mpl?userid=edjones><B>edjones(8007)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=edjones><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=edjones><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=191043\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7^15<BR>\n" );
document.write( "There is a repetition of 7, 9, 3, 1, 7 etc for the last digit. 15/4=3 3/4 so the last digit is the third number 3 because the remainder is 3.<BR>\n" );
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document.write( "Ed </SPAN>\n" );
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