Question 986320
<pre>
A={-8, 2, 4, 1/2, -7.333...(3s repeat), 5<font face="symbol">p</font>} 
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From the set above which are: 
A. Natural numbers {2, 4}
B. Rational numbers {-8, 2, 4 1/2, -7.333...(3's repeat}
C. integers {-8, 2, 4} 
D. Irrational numbers {5<font face="symbol">p</font>}
E. Real numbers {-8, 2, 4, 1/2, -7.333...(3s repeat), 5<font face="symbol">p</font>}
<pre>
Natural numbers = {1,2,3,...}
Whole numbers = {0,1,2,3,...}
Rational numbers = {positive, negative, or zero integers, fractions with
                                     numerator and denominator integers,
                                     terminating and repeating decimals}
Integers {...-3, -3, -1, 0, 1, 2, 3,...}
Irrational numbers  {non-repeating non-terminating decimals}
Real numbers {all of the above, but not including imaginary numbers 
                                     involving i}

Edwin</pre>