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There is no simple answer. There are simple formulae for simple sequences such as arithmetic or geometric progressions; there are less simple solutions arising from Taylor or Maclaurin series. But for the majority of sequences there are no solutions.

Q: How do you find the sum of a series of numbers?

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The sum of the first 20 even numbers... is 110

4 plus 10 plus 16 plus 70 equals 100. To find the sum of this series, simply add all the numbers together.

There is no upper bound to the sum of the numbers in the Fibonacci sequence; both the last number in the series and consequently the sum of all these numbers can be made as large as desired by continuing the series to sufficiently many numbers.

The mean of a series of numbers is the average - calculated by added all the numbers in the series and dividing the sum by the number of numbers in the series. Given the set of numbers {1,2,3,4,5}, the sum of these numbers [1+2+3+4+5=15] divided by 5 {n=5}, gives a mean or average of 3.

Those terms are both used to describe different kinds of infinite series. As it turns out, somewhat counter-intuitively, you can add up an infinitely long series of numbers and sometimes get a finite sum. And example of this is the sum of one over n2 where n stands for the counting numbers from 1 to infinity. It converges to a finite sum, and is therefore a convergent series. The sum of one over n is a divergent series, because the sum is infinity.

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The sum of the first 20 even numbers... is 110

The sum of the numbers divided by the number of numbers.

The average of a group of numbers is equal to the sum of the numbers divided by the number of numbers. If you want to find the sum of the five numbers, just multiply 790.6 by 5 to get the sum, which is 3953

The sum of the previous two numbers in the series.

4 plus 10 plus 16 plus 70 equals 100. To find the sum of this series, simply add all the numbers together.

It depends on the series.

adding numbers together has the answer to the sum.

There is no upper bound to the sum of the numbers in the Fibonacci sequence; both the last number in the series and consequently the sum of all these numbers can be made as large as desired by continuing the series to sufficiently many numbers.

16020

You will find the sum of the numbers.

Combining two or more numbers to find the sum is called addition.

Sum of squares? Product?