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Properties of Multiplication of Integers

Positive inte...

Question

Positive integers are closed under ............

A

addition and multiplication

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B

addition and subtraction

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C

multiplication and division

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D

addition, subtraction and multiplication

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Solution

The correct option is C addition and multiplication
Positive integers are numbers from $1, 2, 3, 4, . . . . . . .$
So, they are natural numbers in other words. And we know, natural numbers are closed under addition and multiplication only.

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