Question

63. Natural numbers are closed under addition.

Answer 1

Answer:

The natural numbers are "closed" under addition and multiplication. A set is closed (under an operation) if and only if the operation on any two elements of the set produces another element of the same set. The subtraction of two natural numbers does NOT necessarily create another natural number (3 - 10 = -7).

Explanation:

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Answer 2

Answer:

Yes, natural numbers are closed under addition. Means if we add two natural numbers, the sum will be a natural number.

Explanation:

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