Correct: 25, 2.5, 2.3333333..., ⅐, -12, -2.5, -92,249, 3x109, 3.5x10-2, √16, √121, -√64, ∛8, ∛125, ∛-27, ⅔, ⅞, Incorrect: 3.1415926......, pi, √2, √5, √7, √91, 2.3847925....., -21.597615297....., -3.1415926..., -√65,

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