Answer
This statement is $\color{red}{\text{FALSE}}$.
Work Step by Step
An irrational number is a number that cannot be expressed as a ratio of two numbers. On the other hand, repeating and terminating decimals can be expressed as a ration of two numbers.
Therefore, an irrational number cannot be written as repeating or terminating decimals. This statement is $\color{red}{\text{FALSE}}$.