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Integers are closed under division I think o.o. It's either counting numbers, integers or whole numbers . I cant remember :/

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โˆ™ 2012-11-20 21:48:16
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A polynomial of degree zero is a constant term

The grouping method of factoring can still be used when only some of the terms share a common factor A True B False

The sum or difference of p and q is the of the x-term in the trinomial

A number a power of a variable or a product of the two is a monomial while a polynomial is the of monomials

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Q: What set of numbers is closed under division?
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Is the set of real numbers closed under addition?

Yes. The set of real numbers is closed under addition, subtraction, multiplication. The set of real numbers without zero is closed under division.


What does this mean Which set of these numbers is closed under division?

It means that dividing any number in the set by any other number in the set is valid, and that the result is again a member of the set.For example, the set of real numbers is NOT closed under division - you can't divide by zero.The set of real numbers, excluding zero, IS closed under division. Similarly, the set of rational numbers excluding zero is also closed under division.It means that dividing any number in the set by any other number in the set is valid, and that the result is again a member of the set.For example, the set of real numbers is NOT closed under division - you can't divide by zero.The set of real numbers, excluding zero, IS closed under division. Similarly, the set of rational numbers excluding zero is also closed under division.It means that dividing any number in the set by any other number in the set is valid, and that the result is again a member of the set.For example, the set of real numbers is NOT closed under division - you can't divide by zero.The set of real numbers, excluding zero, IS closed under division. Similarly, the set of rational numbers excluding zero is also closed under division.It means that dividing any number in the set by any other number in the set is valid, and that the result is again a member of the set.For example, the set of real numbers is NOT closed under division - you can't divide by zero.The set of real numbers, excluding zero, IS closed under division. Similarly, the set of rational numbers excluding zero is also closed under division.


Are the set of rational numbers closed under division?

No, it is not. Division by zero (a rational) is not defined.


Why are rational numbers not like integers?

The set of rational numbers is closed under division, the set of integers is not.


Can you find a set of numbers that is closed under division and answer why?

-1, 1 is a set of numbers that is closed under division. The rule is if you divide among you end up with a quotient that is in the set. 1/-1 or -1/1 = -1 (-1 is in the set)


Why do whole number require an extension?

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


Is the set of rational numbers closed under division and Why?

No. Zero is a rational number, but division by zero is not defined.


Are rational numbers are closed under addition subtraction division or multiplication?

The set of rational numbers is closed under all 4 basic operations.


Is the sum of rational numbers always rational?

Yes. In general, the set of rational numbers is closed under addition, subtraction, and multiplication; and the set of rational numbers without zero is closed under division.


Is Division closed in Real?

No, since you can't divide by zero. On the other hand, the set of real numbers without zero is closed under division.


The set of real numbers are NOT closed under which operation?

Division, since you can't divide by zero.


The set of even numbers is closed under division?

No. 2/4 is not an even number.

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