Is 1.0227 a rational number? explain

The answer is YES.

Step-by-step explanation:

In order to determine if the number is rational, we have to know about rational numbers.

The rational numbers can be written as a fraction, where we can use integers in the numerator and the denominator. Also the decimal numbers are rational because, depending on the decimal number, we can express them as a fraction.

There are three types of decimal numbers:

In this case, we have a finite decimal number, so we can write it as a fraction. The rule is moving the decimal point until the end, so we will have the integer number in the numerator. In the denominator, we have a 10 and as many zeros as the spaces that we moved the decimal point.

So,

Finally, the answer is YES.

21

step-by-step explanation:

11279

b

step-by-step explanation:

the word superfluous means unnecessary