document.write( "Question 1121650: How many Numbers are there between -10 and 10 \n" ); document.write( "
Algebra.Com's Answer #737618 by ikleyn(52803)\"\" \"About 
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\n" ); document.write( "I will assume that the question relates to integer numbers.\r
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\n" ); document.write( "\n" ); document.write( "Then there are 21 integer numbers between -10 and 10, if the endpoints are included,
\n" ); document.write( "and 19 integer numbers between -10 and 10, if the endpoints are excluded.\r
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\n" ); document.write( "\n" ); document.write( "Do you see now, how many necessary conditions are missed in your post ?\r
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