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Q: When all addends are about the same you can use the to estimate their sum?

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ÃŒn that case you can multiply one of the addends, times the number of addends.

multiplication

Mutltiply that "same" number by the number of data points.

If all addends are the same, or very near the same, you can take one of the addends and multiply it by the number of addends that exist, and you have the sum. For example: 100 + 101 + 99 + 102 + 100 + 103 + 98 = ? In this case, all addends are close to 100, and there are 7 of them. So, you can approximate the sum by saying: 100 * 7 ...which is 700.

The sum of a set of addends whose sign is the same is the sum of the absolute values of the addends with the same sign as the addends.

No.

an estimating technique in which the front digits of the addends are added and then the sum is adjusted for a closer estimate

Hm well you can use whole numbers. Now my boy do you get it? Get that brain working!

i am a sum. my addends are five different whole numbers. all my addends are greater than zero and less than eleven. all my addends are odd numbers. what am i?

It is a negative number. The answer is the same whether there is an odd or even number of addends.

That's the mean (average) of all the addends.

This is possible because the order of the addends does not matter. For example, 3+8 is the same as 8+3. No matter how you list the addends, the sum will always be the same.

You can change the grouping of the addends and the sum will stay the same

mean, or average

The sum could be anything, but it would be a positive number if the two addends are positive.

You add two addends to get a sum. For example, in 3 + 5 = 8, 3 and 5 are addends, and 8 is the sum.

0+0 = 0

sum and addends

addends

129

factors

it is sum

Sorry, use what?"Addends" are what you add together to get a sum.

The sum of a set of numbers divided by the number of addends is the mean average of that set.

in the equation 3+4=7, 3 and 4 are the addends. 7 is the sum.

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