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Question

The numerical expression 38 + (āˆ’57) equal to āˆ’1956 shows that:


A

rational numbers are not closed under subtraction

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B

addition of rational numbers is not commutative

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C

rational numbers are closed under addition

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D

addition of rational numbers is commutative

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Solution

The correct option is C

rational numbers are closed under addition


38 + 57 = 1956 shows that on adding two rational numbers we get another rational number. So this expression shows that rational numbers are closed under addition.


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