Question 126913: The directions state name all of the sets of numbers to which each real numbers belong. Let N = natural numbers, W = whole numbers, Z = intergers, Q = rational numbers, and I = irrational numbers. 18#. 0.131313 what is the answer to this question. I do not understand what the difference in these are could you please explain it to me?
Answer by Fombitz(32388)   (Show Source):
You can put this solution on YOUR website! N or the set of the natural numbers are the counting numbers you would use to count with (1,2,3,4,5,...).
W or the set of whole numbers are the same as natural numbers but you also include 0 (0,1,2,3,4,5,...).
Z or the set of integers are the set of natural numbers, together with zero and their negative counterparts and include (...-5,-4,-3,-2,-1,0,1,2,3,4,5,...).
Q is the set of rational numbers that can be described as the ratio between two integers (examples are 1/2, 5/17, -2/3,...). Most repeating patterned numbers fall into this category.
I is the set of irrational numbers and every other number not in W, Z, or Q falls into this category.
Examples are
 which approximates to 3.1415926
 which is approximately 2.71828
 which approximates to 1.4142135.
Your number falls into Q.
It is the ratio of two integers.
In fact the two integers are 689 and 5247, 689/5247=0.13131313...
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