document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=46071>Question 46071</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello,\r<BR>\n" );
document.write( "\n" );
document.write( "I know the number 4 is a natural and whole number.  But is it an integer, real or irrational?  Why or why  not?\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you very much~!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #30580 by </B><A HREF=/tutors/aboutme.mpl?userid=Nate><B>Nate(3500)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nate><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=30580\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An integer is not a decimal or a fraction (not 2.11 or 3/4), so they can be: -2,-1,0,1,2<BR>\n" );
document.write( "Four is an integer. Four is rational because it terminates(it does not go on forever like <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi ALIGN=MIDDLE  ALT=\"pi\"   DISABLED_style= \"max-width:90%; height:auto;\" >). Also, this is a real number. Real numbers are all numbers excluding imaginery(<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=i ALIGN=MIDDLE  ALT=\"i\"   DISABLED_style= \"max-width:90%; height:auto;\" >). </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );