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Pearson Algebra 1 Common Core, 2011 View details

2. Order of Operations and Evaluating Expressions

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Exercise 17 Page 13

Pay close attention to the order of operations.

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According to the order of operations, expressions inside parentheses are evaluated first, while addition and subtraction are evaluated last. For the given expression, we must evaluate the exponents first, multiplications next, and finally, the difference between their results.