Order Of Operations: Example 2

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Simplify 52 + 22 – (3 + 1)2

No. We need to do the operations inside the parentheses first.

Do the addition inside the parentheses.

We get 52 + 22 – 42

Apply the exponents.

We get 25 + 4 – 16

Why don't we get a "+ 16"?

The exponent applies to only the group, variable, or number which precedes it. In this case, it applies to just the 4.

Complete the example.

25 + 4 – 16 = 13.

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