Question

Q42] Describe the following properties of rational number with respect to addition

a) Commutativity

b) Closure

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Answer 1

Answer:

closure.

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Answer 2

Answer:

(a).The commutative property of rational numbers is applicable for addition and multiplication and not for subtraction and division .(b).For two rational number say x and y are the results of addition ,subtraction and multiplication operations give a rational number .We can say that rational number are closed under addition ,subtraction and multiplication For example :(7/6) +(2+5) = 47/30 .

Step-by-step explanation:

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