Question

In which set(s) of numbers would you find the number

78.5865
A. real number
B. whole number
C. rational number
D.natural number
E. integer
F. irrational number

Answer 1

A, C

Explanation:

Rational: Yes, because it is a terminating decimal, and is thus rational.

Real: Yes, all rational numbers are real.

Irrational: No, because it is rational.

Integer: No, because its fractional part is nonzero.

Whole: No, because it is not an integer.

Natural: No, because it is not an integer.