## GEMDAS

### GEMDAS, sometimes referred to as PEMDAS, is an acronym that stands for the order of operations in mathematics

GEMDAS, sometimes referred to as PEMDAS, is an acronym that stands for the order of operations in mathematics. It stands for:

1. Parentheses or Brackets: Perform any calculations within parentheses or brackets first. Start from the innermost set and work outward.

2. Exponents: Evaluate any expressions involving exponents. This includes raising a number to a power or taking a square root.

3. Multiplication and Division: Perform any multiplication or division from left to right. If there are multiple multiplication or division operations, evaluate them in the order they appear.

4. Addition and Subtraction: Finally, perform any addition or subtraction operations from left to right. Similar to the previous step, evaluate them in the order they appear.

The purpose of the order of operations is to provide a standardized way to solve mathematical expressions. Without following these rules, there can be ambiguity in the meaning of an expression and different people may interpret it differently.

Let’s go through an example to illustrate the use of GEMDAS:

Expression: 3 + 2 * (4 – 1) / 5

To evaluate this expression, we start by looking for any calculations within parentheses:

Step 1: 4 – 1 = 3

The expression becomes: 3 + 2 * 3 / 5

Next, we evaluate any multiplication or division operations:

Step 2: 2 * 3 = 6

The expression becomes: 3 + 6 / 5

Finally, we perform any addition or subtraction:

Step 3: 6 / 5 = 1.2

The expression becomes: 3 + 1.2

Step 4: 3 + 1.2 = 4.2

Therefore, the final value of the expression is 4.2.

Remember, following the order of operations is crucial to ensure accurate and consistent results in mathematics.

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