What Is The Sum Of The Geometric Series? $\sum_{n=1}^4(-2)(-3)^{n-1}$

See examples of sum used in a. The meaning of sum is an indefinite or specified amount of money. How to use sum in a sentence.

(when many numbers are involved, or in figurative use) sum total, total, totality the sum. Sum noun [c] (total) the total amount that you get when you add two or more numbers together: For the sum of squares of consecutive integers, see square pyramidal number pythagorean triples are sets of three integers such that the sum of the squares of the first two equals the square of the third..

When you determine the sum, you add up all the numbers. When you sum something up, you focus on all of its important points. 9 is the sum of 2, 4 and 3 (because 2 + 4 + 3 = 9).

Geometric sequences are sometimes called geometric progressions (g.p.’s) to sum these: