Is the real number √1.21 rational or irrational? a) rational b) irrational

A) Rational.

Step-by-step explanation:

We have been given a real number . We are asked to determine whether our given number is rational or irrational.

We know that an irrational number is a number that cannot be written as fraction.

Upon evaluating our given number, we will get:

We can write 1.1 as fraction as shown below:

Since we can write our given number a fraction, therefore, our given number is a rational number and option A is the correct choice.

1/800 is the right answer