Order of operations

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What is the order of operations?

Back

The order of operations is a set of rules that determines the sequence in which calculations are performed in a mathematical expression. The common acronym to remember this is PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

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What does PEMDAS stand for?

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PEMDAS stands for: P - Parentheses, E - Exponents, MD - Multiplication and Division (from left to right), AS - Addition and Subtraction (from left to right).

Front

What is the first step in solving the expression 3 + 4 x 6 - 4?

Back

The first step is to perform multiplication, so you calculate 4 x 6 first.

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Back

The correct answer is 38. First, divide 16 by 2 to get 8, then add 30 + 8.

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If an expression has both multiplication and division, in what order should you solve them?

Back

You should solve multiplication and division from left to right.

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Back

The result is 64. First, divide 16 by 2 to get 8, then multiply by 8.

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Back

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The value is 11. First, multiply 3 by 2 to get 6, then add 5.

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The value is 20. First, add 2 and 3 to get 5, then multiply by 4.

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The result is 10. Perform subtraction and addition from left to right.