Question

is 77.398 a rational number?

Answer 1

Yes, 77.398 is a rational number. A rational number is any number that can be expressed as the quotient or fraction of two integers, where the denominator is not zero. In this case, 77.398 can be expressed as \( \frac{77398}{1000} \), which is the ratio of two integers (77398 and 1000). Therefore, it is a rational number.