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Q: How can you determine weather a sum of severals numbers such as 13 plus 45 plus 24 plus 17 is even or odd?

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If at least one of the numbers is even, the result will be even. Otherwise all the numbers are odd and the result will be odd.

Type your answer here... Dertermine three consecutive even numbers who's sum is 42?

You can't. Only whole numbers are odd or even.

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.

It doesn't matter what the first number is. All that matters is the ones place to determine if the number is odd or 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.

The parity rules are: Odd + Odd = Even Even + Even = Even Odd + Even = Odd Even + Odd = Odd So the parity where one number is even is that of the other number. This means that you can go through a list of numbers and ignore all the even numbers. Every PAIR of odd numbers has even parity and by the previous paragraph, even parity can be ignored. So you can pair off odd numbers and ignore them.

even numbers

It can be any number. Two numbers do not even determine whether the "sequence" is arithmetic, geometric or other.

You have to look at the ones place digit for the quick way to this. If both ones digits are even then it will be even, if they are both odd then it will be even, if one is odd and one is even then it will be odd.

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.)

There are many but some are electrical, civil and even weather. Complex formulas can help map pictures of weather turbulance. Refer to the Related Link for an image.

The set is well defined. Whether or not a given integer belongs to the set of prime numbers is clearly defined even if, for extremely large numbers, it may prove impossible to determine the status of that number.

According to wolfram alpha, An even number is an integer of the form , where is an integer. The even numbers are therefore ..., , , 0, 2, 4, 6, 8, 10, ... Thus, one cannot determine the "first" or "second" even number. As one can only determine the next even number by knowing the previous number before it, by mathematical induction, one cannot determine the so-called "100th" even number.

Add them up and divide the sum by 2.

It's unclear why anyone would find that necessary. Even numbers end in 0, 2, 4, 6, 8. Odd numbers end in 1, 3, 5, 7, 9. It's more efficient to just look at the numbers.

hundreds, to even thousands, and possibly millions of years. though i kind of doubt the millions

You can just add the last digit of each number. Whenever you get a two-digit number, you can discard all digits except the last one. Another alternative is to count how many odd numbers there are - once again, you only need to consider the last digit. If the number of odd numbers is even, the sum is even; otherwise it is odd. (You can ignore even numbers for this calculation.)

Those are called "even numbers".Those are called "even numbers".Those are called "even numbers".Those are called "even numbers".

Even numbers.

Well, there is a clear definition, and at least in theory you can always determine whether a number is a primer number or not, so I would say, yes.

Not all composite numbers are even, but all even numbers except 2 are composite.

it is the integers of even numbers which divide all the even numbers

an even numbers are numbers that can be division by 2 without a remainder

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

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