Yes, 168 is a rational number. A rational number is defined as any number that can be expressed as the quotient or fraction \( \frac{a}{b} \), where \( a \) is an integer and \( b \) is a non-zero integer. Since 168 can be expressed as \( \frac{168}{1} \), it meets the criteria for being a rational number.
is 168 a rational number?
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