## Algebra: A Combined Approach (4th Edition)

a. Natural numbers $6, 913$ b. Whole numbers $-100, 0, 6, 913$ c. Integers $-100, 0, 6, 913$ d. Rational numbers $-100, -\frac{2}{5}, 0, 6, 913$ e. Irrational numbers $\pi$ f. Real numbers $-100, -\frac{2}{5}, 0, \pi, 6, 913$