Well honey, any career that involves math or problem-solving will use the order of operations. So, if you're into being a mathematician, engineer, scientist, or even a financial analyst, better brush up on those PEMDAS rules. Otherwise, you'll be more lost than a sock in the dryer.
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Careers that frequently use the order of operations include mathematicians, engineers, physicists, computer programmers, and statisticians. These professionals rely on the correct application of the order of operations to solve complex mathematical problems accurately. Understanding and following the order of operations is crucial in these fields to ensure precise calculations and analyses.
You memorize the rules that are considered standard.
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the order of operations
Order of Operations
If you change the order of operations, you will get a different result. The person who wrote the expression had a specific order of operations in mind (using generally-accepted rules), so arbitrarily using some other order of operations is, quite simply, wrong.