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Subjects>Math>Basic Math

Are whole numbers closed for multiplication?

Anonymous

∙ 14y ago

Updated: 4/28/2022

no

Wiki User

∙ 14y ago

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Q: Are whole numbers closed for multiplication?

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Continue Learning about Basic Math

Are composite numbers closed under multiplication?

Yes.

Are rational numbers closed under multiplication?

Rational numbers are closed under multiplication, because if you multiply any rational number you will get a pattern. Rational numbers also have a pattern or terminatge, which is good to keep in mind.

Are rational numbers closed under subtraction?

Yes. They are closed under addition, subtraction, multiplication. The rational numbers WITHOUT ZERO are closed under division.

Why do whole number require an extension?

The set of whole numbers is not closed under division (by non-zero whole numbers).

Are irrational numbers closed under multiplication?

No. To say a set is closed under multiplication means that if you multiply any two numbers in the set, the result is always a member of the set. If, say, the 2 numbers are radical 2 and radical 2 we have (1.4142...)(1.4142...) which by definition equals 2. The result is not an irrational number, so the set is not closed.

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