Section 2 order of operations

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The expressions in Example 2 are different operations than Example 1. In part c of the second example, 52 is added to 5 first before performing other calculations because order of operations dictates that addition and subtraction are performed before multiplication and division.

1. How are the expressions in Example 2 different from those in Example 1? 2. In part c, why is 52 added to 5 in the second step before other operations?

Section 2 order of operations

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Section 2 order of operations

1.

2.

3. 1. How are the expressions in Example 2 different from those in Example 1? 2. In part c, why is 52 added to 5 in the second step before other operations?