document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=290231>Question 290231</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The tens digit of 2^100 is:\r<BR>\n" );
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document.write( "(a)4 (b) 5 (c) 6 (d) 7  (e) None of the above<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 #210038 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=210038\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> THE POWERS OF 2 ARE:<BR>\n" );
document.write( "2<BR>\n" );
document.write( "4<BR>\n" );
document.write( "8<BR>\n" );
document.write( "16<BR>\n" );
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document.write( "32<BR>\n" );
document.write( "64<BR>\n" );
document.write( "128<BR>\n" );
document.write( "256<BR>\n" );
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document.write( "NOTE THE REPEAT SEQUENCE OF THE UNITS DIGIT. <BR>\n" );
document.write( "EVERY FOURTH POWER ENDS IN THE DIGIT 6.<BR>\n" );
document.write( "THUS THE 1,000 POWER WILL ALSO END IN A 6.<BR>\n" );
document.write( "ANS. C) </SPAN>\n" );
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