Question

Is 15.5 a irrational or rational number? ANSWER ASAP

Answer 1

15.5 is a rational number because it can be written as a ratio

`(31)/(2)`

Answer 2

Answer: 15.5 is a rational number.

Step-by-step explanation: We are given to check whether the number 15.5 is a rational or irrational.

We know that

a real number is said to be

(i) rational, if the digits after the decimal are either repeating or terminating.

(ii) irrational, if the digits after the decimal are non-repeating and non-repeating.

The given number is 15.5.

Here, the digits after the decimal are terminating.

So, the given number is a rational number.

Thus, 15.5 is a rational number.