Pearson Algebra 1 Common Core, 2011
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Pearson Algebra 1 Common Core, 2011 View details
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Exercise 11 Page 415

Pay close attention to the order of operations.

4

Practice makes perfect

According to the order of operations, expressions inside parentheses are evaluated first, while addition and subtraction are evaluated last. (0.25)4^2 For this exercise, we must remember to evaluate the exponent first, and the multiplication next.

Operation Before Simplification After Simplification
Calculate power (0.25)4^2 (0.25) 16
Multiply (0.25) 16 4

The expression equals 4.

Alternative Solution

Using a Calculator
We can also evaluate this expression using a calculator. To do so, type it as shown below.