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In Set Theory: a set is closed under an operation if performance of that operation on members of the set always produces a member of the same set.

In Topology: a closed set is a set which contains all its limit points.

Q: What does the word closed mean in math terms?

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The word power is another word for exponents

"And" usually refers to the process of addition. It can be another word for "plus."

Its another word for subtracting one number from the other.

the smallest numberIt means the smallest number

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The word power is another word for exponents

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A number that reads the same backwards and forwards.

Its another word for subtracting one number from the other.

"And" usually refers to the process of addition. It can be another word for "plus."

the smallest numberIt means the smallest number

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