Question Video: Understanding the Correct Order of Operations | Nagwa Question Video: Understanding the Correct Order of Operations | Nagwa

Question Video: Understanding the Correct Order of Operations Mathematics • First Year of Preparatory School

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The operations are in the wrong order. Use the letters to list them in the correct order.

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Video Transcript

The operations are in the wrong order. Use the letters to list them in the correct order. (A) Exponents. (B) Multiplication and division. (C) Groupings. (D) Addition and subtraction.

To answer this question, we need to recall the order of operations, which enables us to simplify and evaluate numerical and algebraic expressions. One way of remembering this order is using the acronym PEMDAS. The P stands for parentheses, also known as brackets. The E stands for exponents or indices. The other four letters M, D, A, and S stand for the four operations of multiplication, division, addition, and subtraction. It is worth noting that it is common to write the order of operations as shown, where we group multiplication and division into stage three and addition and subtraction into stage four.

Looking at this question, it is clear that option (C), that is, groupings, or parentheses, come first. Next comes option (A), exponents. Stage three in the order of operations is multiplication and division. Finally, we have addition and subtraction. The correct order is therefore (C), (A), (B), (D).

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