Question

The set of Rational numbers are closed under addition​

Answer 1

Answer:

The set of rational numbers is closed under addition, subtraction, multiplication, and division (division by zero is not defined) because if you complete any of these operations on rational numbers, the solution is always a rational number Page 8 11.

Answer 2

a set of rational number is closed only in subtraction , addition , multiplication and division ( zero is not Defined by division) because if you complete any operation on rational number your answer is also a rational number

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