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Why does everyone need to follow the order of operations when evaluating expressions?

User MokiTa
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They make sure everyone gets to the same answer. Many people memorize the order of operations as PEMDAS or BODMAS. The order of operations are one set of agreements for how to evaluate expressions. They make sure everyone gets to the same value.
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Answer:

They make sure everyone gets to the same answer. Many people memorize the order of operations as PEMDAS (parentheses, exponents, multiplication/division, and addition/subtraction). The order of operations are one set of agreements for how to evaluate expressions. They make sure everyone gets to the same value.

Explanation:

User Unki
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