3. Answer the questions based on decimal expansion

A rational number is a number which can be expressed in the form of $\frac{p}{q}$ where $p$ and $q$ are integers and $q \neq 0$. Irrational numbers are numbers which cannot be expressed in the form of $\frac{p}{q}$.

 

 

Observe the above data and answer the below questions.

 

1. A non - terminating non - repeating decimal is a/an

 

2. $\frac{5\sqrt{225}}{7\sqrt{225}}$ is a/an

 

3. $\frac{5}{2500}$ has a

 

4. The decimal expansion of the number $\frac{225}{2500}$ will terminate after 42 decimal places.