document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=903066>Question 903066</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Under which operations is the set of whole numbers {0, 1, 2, 3, …} closed? \r<BR>\n" );
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document.write( "       A. addition and multiplication<BR>\n" );
document.write( "       B. division and subtraction<BR>\n" );
document.write( "       C. subtraction and multiplication<BR>\n" );
document.write( "       D. addition and division </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #547753 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=547753\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Adding two whole numbers always gives you a whole number.<BR>\n" );
document.write( "Multiplying (which is similar to addition) always gives you a whole number.<BR>\n" );
document.write( "Subtracting does not always give you a whole number (Example : 4-10=-6, which is not a whole number).<BR>\n" );
document.write( "Dividing two whole numbers does not always give you a whole number (Example: 2/3 is not a whole number).<BR>\n" );
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