The square root of 243 is a rational number if 243 is a perfect square. It is an irrational number if it is not a perfect square. Since 243 is not a perfect square, it is an irrational number. This means that the answer to "the square root of 243?" will have an infinite number of decimals. The decimals will not terminate and you cannot make it into an exact fraction.
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Answer
√243 is an irrational number
Step-by-step explanation:
The square root of 243 is a rational number if 243 is a perfect square. It is an irrational number if it is not a perfect square. Since 243 is not a perfect square, it is an irrational number. This means that the answer to "the square root of 243?" will have an infinite number of decimals. The decimals will not terminate and you cannot make it into an exact fraction.
√243 is an irrational number