SOLUTION: name the natural numbers from list below -3, 0, 40, 8.91, {{{sqrt(15)}}}, {{{2&1/2}}}, {{{-4/11}}}, 1.4545545554...

Algebra ->  Real-numbers -> SOLUTION: name the natural numbers from list below -3, 0, 40, 8.91, {{{sqrt(15)}}}, {{{2&1/2}}}, {{{-4/11}}}, 1.4545545554...      Log On


   

Question 406736: name the natural numbers from list below
-3, 0, 40, 8.91, sqrt%2815%29, 2%261%2F2, -4%2F11, 1.4545545554...
Answer by Edwin McCravy(20060) About Me  (Show Source):
You can put this solution on YOUR website!

I.  Real numbers

    A.  Rational numbers

        1. Integers
           A. Whole numbers
              1. Natural numbers          40
              2. Zero                      0
           B. Negative integers           -3

        2. Common fractions             8.91, 2%261%2F2, -4%2F11

    B. Irrational numbers
       1.  Algebraic numbers           sqrt%2815%29 
       2.  Transcendental numbers      1.4545545554...

II.  Imaginary numbers
      
   


-3 is real, rational, negative integer.

 0 is real, rational, integer, whole number, zero.

40 is real, rational, integer, whole number, natural number.

8.91 is real, rational, common fraction (since it's 891%2F100).

sqrt%2815%29 is real, irrational, algebraic.

2%261%2F2 is real, rational, common fraction (since it's 5%2F2).

-4%2F11 is real, rational, common fraction.

1.4545545554... is real, irrational, transcendental.

So the only one that is a natural number is 40.

Edwin