Question

What does this sign mean​

Answer 1

Answer:

sigma

Step-by-step explanation:

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Answer 2

Answer:

it is used to denote the sigma sign

Step-by-step explanation:

WHAT IS THE SIGMA SIGN?

The symbol Σ (sigma) is generally used to denote a sum of multiple terms. This symbol is generally accompanied by an index that varies to encompass all terms that must be considered in the sum. For example, the sum of first whole numbers can be represented in the following manner: 1 2 3 ⋯.

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