![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/step1.JPG\")
The number is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3350b08c25d44f160c6f9cb7f9adf94d.png\")
.
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=ca8163a2aa095efba75bbdfe3a2c3491.png\")
(Divide: )
§ Observe the Venn diagram:
\§ The number ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=46dffacddd1620bf16b27648692b4624.png\")
is an integer number (Z).
§ The sets of integers (Z) are subsets of rational number (Q).
\§ All rational numbers (Q) are real numbers (R). ![\"\"](\"http://www.mathskey.com/userfiles/image/Library/Algebra%202/number%20chart_Alg2_pa14_p1.gif\")
![\"\"](\"http://www.mathskey.com/userfiles/image/steps_images/solution.JPG\")
\
The number ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=3350b08c25d44f160c6f9cb7f9adf94d.png\")
belongs to Z, Q and R.