Standard Number Sets (WGU C959)
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Last updated 5:29 PM on 8/20/26
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5 Terms
1
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ℕ
Natural numbers {0, 1, 2, … all positive numbers} (note: WGU/zyBooks includes 0)
2
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ℤ
Integers {…, −2, −1, 0, 1, 2, …}
3
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ℤ⁺
Positive integers {1, 2, 3, …}
4
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ℚ
Rational numbers (1/3, .45, -7…)
5
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ℝ
Real numbers (positive, negative, rational, irrational, any on number line) (0, √2, π…)