Rational numbers are numbers that can be written in form of a fraction. Whereby both numerator and deniminator are integers but the denominator is not zero.
Thus 5.14 can be written as:
[tex]\frac{514}{100}\text{ or 5}\frac{14}{100}[/tex]Therefore we can say that 5.14 is a rational number
ANSWER:
Yes, 5.14 is a rational number.