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Yes. You know this is true because you learned a process-- an "algorithm"--for adding two numbers together, and if you start with two whole numbers, the result is also a whole number.

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โˆ™ 2007-08-14 23:32:07
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Q: Is the sum of two natural numbers always a natural number?
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Is Natural numbers are closed under multiplication?

Yes.natural numbers are closed under multiplication.It means when the operation is done with natural numbers in multiplication the sum of two numbers is always the natural number.


The sum of two odd numbers is always what?

Sum of two odd numbers are always even, and the sum of 2 even numbers are also even. The sum of an odd number & an even number are always odd.


What is the sum of the first 100 natural number?

The sum of the first 100 natural numbers is 5,001.


What happens when you add an odd number and an odd number?

Two odd numbers always sum to an even number. Always. Two even numbers always sum to an even number, and an odd number and an even number always sum to an odd number.


Why is the sum of three odd numbers always odd?

Because the sum of two odd numbers is always even and the sum of that even number plus another odd number is always odd.


Find the sum of first ten natural number?

The sum of the first 10 natural numbers is 51.


Who find the sum of first 57 natural number?

The sum of the first 57 natural numbers is 1,625.


The sum of two even numbers?

The sum of two even numbers is always an even number.


What is the sum of two odd numbers?

The sum of two odd numbers is always an even number


The sum of two positive numbers is?

The sum of two positive numbers is always a positive number.


What is the sum of two even numbers?

The sum of two even numbers is always an even number.


Is the sum of any two prime numbers always a composite number?

The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.


The sum of rational numbers and an irrational number?

It is always an irrational number.


Five odd numbers whose sum is 20?

That can't be solved. The sum of five odd numbers will always be an odd number.That can't be solved. The sum of five odd numbers will always be an odd number.That can't be solved. The sum of five odd numbers will always be an odd number.That can't be solved. The sum of five odd numbers will always be an odd number.


Is the sum of two consecutive numbers always divisible by 2?

No, the sum of two consecutive numbers is always an odd number, and is not divisible by two.


What is the sum of three consecutive numbers always?

The sum is always 3 more than (triple the smallest number).


What is the sum of 50 natural numbers?

The sum of the first 50 natural numbers is 1,251.


All multiples of odd natural number can be written as the sum of consecutive natural numbers?

No. Odd numbers can be written as the sum of consecutive integers, but some multiples of odd numbers are even.


Is sum of odd numbers always even?

The sum of two odd numbers is always even; the sum of three odd numbers is always odd; the sum of four odd numbers is always even; the sum of five odd numbers is always odd; etc


Is the set of natural numbers closed under addition?

Yes, when you add any group of natural numbers, the sum will also be a natural number.


Can every natural number be expressed as a sum of Fibonacci numbers where no number is used more than once?

Yes.Since 1 is a member of the Fibonacci sequence, it is always possible. Any natural number, N, can be represented as a sum of a string of N ones.Yes.Since 1 is a member of the Fibonacci sequence, it is always possible. Any natural number, N, can be represented as a sum of a string of N ones.Yes.Since 1 is a member of the Fibonacci sequence, it is always possible. Any natural number, N, can be represented as a sum of a string of N ones.Yes.Since 1 is a member of the Fibonacci sequence, it is always possible. Any natural number, N, can be represented as a sum of a string of N ones.


Is the sum of two odd numbers an even numbers?

Yes, when adding two odd numbers together the sum will always be an even number.


What is two numbers a and -a whose sum is 0?

'a' can be any number whatsoever. The sum of +a and -a is always zero.


What is sum of natural numbers between 200?

The sum of the first 200 natural numbers is 20,001.


Are natural numbers closed under addition?

Yes, because naturals are counting numbers, {1,2,3...} and any natural number added by another natural number has to be a natural. Think of a number line, and your adding the natural numbers. The sum has to be natural, so yes it is closed.