<PRE><B>Question 1172837</B>
.
&lt;pre&gt;

You can use either of inequalities


    2 - 0.0004 &lt;= p &lt;= 2 + 0.0004,  which is the same as


     1.9996 &lt;= p &lt;= 2.0004


or


    |2 - p | &lt;= 0.0004.



The plot below shows the number line and the range for p on the number line


 ----|=======|=======|=======|=======|=======|========|=======|=======|------

   1.9996  1.9997  1.9998 1.9999     2   2.0001    2.0002   2.0003  2.0004
&lt;/pre&gt;


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Keep in mind that the plot in the post by @ewatrrr is INCORRECT.



@ewatrr,  &amp;nbsp;may &amp;nbsp;I &amp;nbsp;ask you please to &amp;nbsp;CLOSE &amp;nbsp;the operators  &amp;nbsp;&amp;nbsp;&lt; font &gt; &amp;nbsp;&amp;nbsp;and &amp;nbsp;&amp;nbsp;&lt; b &gt; 

EVERY TIME &amp;nbsp;at the end of your posts ?



</PRE>