# What is the Sigma sign?

## What is the Sigma sign?

Sigma /ˈsɪɡmə/ (uppercase Σ, lowercase σ, lowercase in word-final position ς; Greek: σίγμα) is the eighteenth letter of the Greek alphabet. In general mathematics, uppercase ∑ is used as an operator for summation.

What is the summation symbol?

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.

What does difference mean in math terms?

The result of subtracting one number from another. How much one number differs from another. Example: The difference between 8 and 3 is 5. Subtraction.

### What would you do to find the sum of two numbers?

Answer: Sum means add and product means multiply. The two numbers are 1 and 12, as 1 + 12 = 13 and 1 multiplied by 12 gives 12.

What is the quotient of 2?

When you divide two numbers the answer is called the quotient. The quotient of six divided by two is three. Quotient comes from Latin and means “how many times.” That makes a lot of sense: if you divide one number by a second, you are figuring out “how many times” the second number goes into the first.

What 2 numbers have a sum of 15 and 36?

1 Answer. The numbers are 3 and 12 .

#### What is the sum of 18 and the difference of 2?

To answer the first part of your question “what is the sum of two numbers that are 18?” 18 + 18 = 36. To answer the next part “and their difference is 2”.