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# Is zero an integer

I a wondering if zero is an integer in mathematical purposes

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0 is an integer number in math, where integer numbers are the infinite set: .

Depending on circumstances, the "natural numbers" and "natural numbers with zero" are also sometimes referred to as integers, quietly dropping the "positive" or "non-negative" property of the set.

Note, the former does *not* include 0.

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## Related Questions:

### How do you convert milimeters in to fractions?

I am sorry but the question does not make sense. The millimeter is a unit of length (physical unit), while a fraction is a mathematical object that is defined as the ratio of two integers. It involves dividing two integer (whole) numbers, such as 1/3.
Would you care to reformulate the question?

Jun 11, 2012 | Texas Instruments TI-84 Plus Calculator

### What constitutes a rational expression?

The ratio of two polynomial expressions. But before getting this, you need to know what constitutes a polynomial (expression).
In a polynomial is some indeterminate x, you can only have positive integer powers of x, such as x^0=1, x, x^2, x^n (n restricted to be a positive integer).

Apr 11, 2012 | Mathsoft StudyWorks! Mathematics Deluxe...

### • What constitutes a rational expression? How would you explain this concept to someone unfamiliar with it?

A rational number is that number which can take the form a/b where a and b are non zero integers.
The numerator can easily be divided by the denominator and you get an answer which is exhaustive.

For example 2/5 gives 0.4; 3/10 gives 0.333... this is also rational

Nov 17, 2011 | Mathsoft StudyWorks! Mathematics Deluxe...

### 2x+4y=81,x=?

either x or y has a non integer value as the left side is divisable by 2 but the right side is not.
x + 2y = 40.5
x is dependent on y

Sep 24, 2011 | Mathsoft StudyWorks! Mathematics Deluxe...

### How do you write a rational expression by using a variable instead of an actual number?

A rational number is that number which can be represented as a simple fraction. It takes the form a/b , where a and b are integers and are both not equal to zero.

Jul 25, 2011 | Mathsoft StudyWorks! Mathematics Deluxe...

### Last Fermat theorem

Pierre de Fermat died in 1665. Today we think of Fermat as a number theorist, in fact as perhaps the most famous number theorist who ever lived. It is therefore surprising to find that Fermat was in fact a lawyer and only an amateur mathematician. Also surprising is the fact that he published only one mathematical paper in his life, and that was an anonymous article written as an appendix to a colleague's book.
Because Fermat refused to publish his work, his friends feared that it would soon be forgotten unless something was done about it. His son, Samuel undertook the task of collecting Fermat's letters and other mathematical papers, comments written in books, etc. with the object of publishing his father's mathematical ideas. In this way the famous 'Last theorem' came to be published. It was found by Samuel written as a marginal note in his father's copy of Diophantus's Arithmetica.

Fermat's Last Theorem states that

xn + yn = zn
has no non-zero integer solutions for x, y and z when n > 2.

In number theory, Fermat's Last Theorem states that no three positive integers a, b, and c can satisfy the equation an + bn = cn for any integer value of n greater than two.

Mar 04, 2011 | MathRescue Word Problems Of Algebra Lite

### Find 3 consecutive integers such that twice the least minus the greatest is 18

Let X be the smallest integer.
Let Y (equal to X+1) be the second integer.
Let Z (equal to X+2) be the third integer.

Then 2*X +0*Y- Z = 18

Substituting: 2*X - (X+2) = 18
Associative: (2*X - X) + 2 = 18
Substraction: X = 16
Solve for Y.
Solve for Z.

Note: check my work -- there *MAY* be an error in the above mathematics. :-)

Oct 20, 2010 | Gateway Computers & Internet

### What is the meaning of whole numbers?

no decimals (1.5, .56) no fractions (1/2, 1 3/4)

whole numbers are just whole numbers
1, 2, 3 and on 9,10,11 .....

not
1.5, 2.5, 2.356
1 1/5, 2 2/6,3 1/5

Jun 19, 2010 | Mathsoft StudyWorks! Mathematics Deluxe...

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