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Yes, all you have to do is to count the number of ODD numbers in the list. If it is odd, then the sum will be odd; if even, so will the sum.

Knowing this can help you run a quick validity check when you sum up a list of numbers.

(The method works because:

a) the sum of two even numbers is even, and

b) the sum pf two odd numbers is even, but

c) the sum of an even number and an odd number is odd.

Hence, if you only determine whether there are any unpaired odd numbers, you know the answer.)

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Q: Can you tell if sum of several numbers will be even or odd?

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you can tell cause odd numbers have something left over

Yes it is possible to determine if a product will be even or odd. To do this, we need to consider what an even number is. Even numbers are numbers with at least one factor of 2 (meaning they are divisible by 2). Thus, any product of numbers which contains at least one even number will result in an even product. If all of the numbers being multiplied together are odd, the product will be odd. If one or more of the numbers is even, the product will be even.

There is no such pattern because there are no even odd numbers. Odd numbers, by definition, are odd and therefore, not even.

If you multiply one even number by one odd number, the result is always even. In general, if you multiply several numbers, and at least one of the numbers is even, the product is always even. This is because "even" means "multiple of 2", and if one of the factors contains a 2 as a factor, so will the product.

All even numbers are divisible by 2 with no remainder. Why are the numbers 1.3499,2.4596,4.4817 classed as even numbers? And 1.8221, 3.3201 are classified as odd numbers in numerical integration

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The answer depends on how many odd numbers are being added together: even numbers make no difference.If the count of odd numbers is odd then the total is odd, andff the count of odd numbers is even then the total is even.

Go through each of the numbers, and count how many of them are odd. If you count an odd number of them, then their sum is odd. If you count an even number of them, then their sum is even.

Always. even + even = even odd + odd = even even + odd = odd odd + even = odd To summarise, if you add like numbers you get even, otherwise you get odd.

Multiply two odd numbers Add an even and an odd Subtract an odd and an even

An even number can be divided by 2 evenly. An odd number will have a remainder of 1 when divided by 2.

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

The number divisible by 2 is even & which is not is odd

The sum of two odd numbers or two even numbers is an even number. The sum of an odd number and an even number is an odd number.

Odd numbers are always higher than even numbers . And even numbers are easier to add than odd numbers for some people .

The sum of two odd numbers is always even.

The product of multiplication results in a number that has all of the factors of the two numbers being multiplied. All even numbers have the prime factor 2. Since no odd number has the factor 2, no product of those numbers can have it. So: - Odd numbers times odd numbers produce odd numbers. - Odd numbers times even numbers produce even numbers. - Even numbers times even numbers produce even numbers.

Yes. Even + Even = Even, Odd + Odd = Even and Even + Odd or Odd + Even = Odd

The multiples of all odd numbers are odd and even. Odd x odd = odd. Odd x even = even. Since odd and even numbers alternate, the multiples will alternate as well.

Just add the end numbers, so 3 + 5 + 4 + 7 = 19 which is odd. Alternatively, ignore even numbers [such as 4], and two odd numbers [3 and 5] added always make an even number [8], which leaves and odd number [7] so the answer will be odd. Example; five hundred different numbers, where 483 are even and 17 are odd, then no matter what the actual 500 numbers are the answer will be odd, as there is an odd [17] quantity of odd numbers.

Decimal are not. But negative numbers can be odd or even.

No odd numbers are divisible by even numbers.

Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.

Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.

no even # + another even # will get you an odd #