College Algebra / Alg 004 · Atom · ~20 seconds
Rational Numbers
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A rational number is any number writable as a fraction of two integers with a nonzero denominator; its decimal form ends or repeats.
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3/4 ends at 0.75; 1/3 repeats as 0.333…; the integer 7 qualifies as 7/1.
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Every integer is rational; the reverse fails.
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