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Answer: Yes, radicals can be rationals.
Step-by-step explanation:
Yes, a radical can be rational.
If a square root is a perfect square, you will obtain an integer, and by definition, the integer are rationals (they can be written as simple fractions).
Example:
If the radical has a root <em>n </em>and number inside of the root can be written as a power with exponent , then you will obtain a radical.
Example: