Answer:
1. Rational
2. Not rational
3. Rational
4. Rational
5. Rational
6. Not Rational
7. Not Rational
Step-by-step explanation:
Any number that can be expressed as a fraction
, where y ≠ 0 is called a rational number.
1.
is a rational number.
2.
that can not be expressed as a fraction. So, it is irrational.
3.
, hence it is a rational number.
4. 0.01045 can be expressed as
, hence it is rational number.
5.
, hence it is a rational number.
6.
that can not be expressed as a fraction, Hence, it is irrational.
7. 0.424242424242 .... is not a rational number as it can not be expressed as a fraction. (Answer)