![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
The expression is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=beba66e16027ca90cfdeb50fa47dedae.png\")
.
Observe that the decimal ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=beba66e16027ca90cfdeb50fa47dedae.png\")
.of the number is repeating, so the number
. is a rational number.
§ Observe the Venn diagram:
\§ The number . is not a Natural number (N), not a Whole
number (W), and not an Integer (Z).
\§ The number . is a rational number (Q).
§ All rational numbers (Q) are real numbers (R).![\"\"](\"/userfiles/image/realnumber.jpg\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
the number -2.38 is belons to O and P..
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