All finite numbers are rational. A rational number is any number that can be expressed as one integer divided by another. 0.725 is clearly rational because it can be expressed straight off as 725/1000. Even though that isn't the simplest fraction to mean 0.725, it is enough to show that 0.725 must be rational.
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4.6 is rational.
is 34.54 and irrational or rational. number
Rational.
Rational
It is rational, as it is possible to express it as a fraction.