document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=528158>Question 528158</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Name the set or sets to which each number belongs. If the number is rational, use the following names: for 13<BR>\n" );
document.write( "N= the set of natural numbers<BR>\n" );
document.write( "W=the set of whole numbers<BR>\n" );
document.write( "I= the set of intergers<BR>\n" );
document.write( "Q=theset of rational numbers\r<BR>\n" );
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document.write( "a. not rational<BR>\n" );
document.write( "b. I,W,N<BR>\n" );
document.write( "c. Q,I,N<BR>\n" );
document.write( "d.Q,I,W,N </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #349156 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=349156\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Thirteen (13) is a counting number, the kind you \"naturally\" think about, even in kindergarden or first grade, so it is a natural number.<BR>\n" );
document.write( "All natural numbers are whole numbers, and everyone agrees that zero is also a whole number. (Many think zero is not a natural number, but not everyone agrees on that, so agree with your teacher and/or textbook as needed).<BR>\n" );
document.write( "All whole/natural numbers are integers. (There are some integers that do not come to you as naturally, like the negative integers, which do not count as natural or whole)<BR>\n" );
document.write( "All integers are rational, because you can write them as ratios (fractions). The simplest way to write 13 as a fraction is<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=13%2F1 ALIGN=MIDDLE  ALT=\"13%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" > but you can also write it as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=26%2F2 ALIGN=MIDDLE  ALT=\"26%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and infinity of equivalent fractions.<BR>\n" );
document.write( "All rational numbers are real numbers, but that goes beyond your question. </SPAN>\n" );
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