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How do you classify each number as natural, whole, integer, irrational, or real: 12/3, 15, pi/2, -891, 3.3?

1 Answer

Apr 19, 2015

$\frac{12}{3} = 4$ $12/3=4$ (Natural, whole, integer and real )

$15$ $15$ (Natural, whole, integer and real)

$\frac{π}{2}$ $pi/2$ (Irrational and real)

$- 891$ $-891$ (Integer and real)

$3.3 = \frac{33}{10}$ $3.3=33/10$ (Real)

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