## Order of Operations

### Order of operations is a set of rules that determine the sequence in which mathematical operations should be performed in a given problem or expression

Order of operations is a set of rules that determine the sequence in which mathematical operations should be performed in a given problem or expression. These rules ensure that there is a consistent and unambiguous way to evaluate mathematical expressions, preventing any ambiguity or confusion about the intended result.

The order of operations is often remembered using the acronym PEMDAS, which stands for:

1. Parentheses: Perform any operations inside parentheses first. If there are multiple sets of parentheses, evaluate the innermost ones first.

2. Exponents: Next, evaluate any exponentiation operations (raising a number to a power or taking the square root).

3. Multiplication and Division: Moving from left to right, perform any multiplication or division operations.

4. Addition and Subtraction: Finally, moving from left to right, perform any addition or subtraction operations.

It’s important to follow the order of operations because without it, different interpretations can lead to different results. For example, consider the expression 2 + 3 * 4. If we follow the order of operations, we first multiply 3 and 4, resulting in 12, and then add 2 to get a final answer of 14. However, if we were to perform the addition first, we would get 5 * 4, which equals 20, leading to an incorrect answer of 22.

Following the order of operations ensures that expressions are evaluated consistently and correctly, enabling mathematicians to communicate and solve problems effectively.

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