-20/14 is a rational number
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√196 is rational. √196 = √(14^2) = 14 - a whole number which is also a rational number.
The number 0.424242... is rational. A rational number is one that can be expressed as a ratio of two integers, where the denominator is not zero. In this case, the repeating decimal 0.424242... can be expressed as the fraction 14/33, making it a rational number.
A rational number is one that can be expressed as a fraction, or a ratio. Ratio is the basis for the word rational.-14/2 is a valid fraction that equals -7, so the answer is yes. ■
196 = 14² → √196 is rational.
No, it is rational.