The correct answer is C: Terminating or repeating. A rational number's decimal expansion is always either terminating (e.g., 0.5) or non-terminating but repeating (e.g., 0.333...). Non-terminating non-repeating decimals represent irrational numbers.
A.Non-terminating and non-repeating
B.Repeating only
C.Terminating or repeating✓ Correct
D.Terminating only
Explanation
A rational number's decimal expansion is always either terminating (e.g., 0.5) or non-terminating but repeating (e.g., 0.333...). Non-terminating non-repeating decimals represent irrational numbers.
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