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Under which operation is the set of odd integers closed?
A) Addition
B) Subtraction
C) Multiplication
D) Division
Give an example for the answer
Thank you.
2 Answers
- 1 decade agoFavorite Answer
If you add 1 + 3 you get a non-odd number, so Addition is not closed.
If you subtract 3 - 1 you get a non-odd number, so subtraction is not closed.
If you multiply two odd numbers, you always get an odd number, so multiplication is indeed closed.
If you divide 7 into 5 you get something that isn't an odd number, so it is not closed.
So only muliplication is closed.
