Question

Which of the following is not true?

(a) rational numbers are closed under addition.

(b) rational numbers are closed under subtraction.

(c) rational numbers are closed under multiplication.

(d) rational numbers are closed under division.

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Answer 1

Answer:

(d) rational numbers are closed under division.

Step-by-step explanation:

because rational numbers are written in the form of p/q where q is not equals to 0

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