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McGraw Hill Integrated II, 2012

MH

McGraw Hill Integrated II, 2012 View details

1. Adding and Subtracting Polynomials

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Exercise 88 Page 13

Pay close attention to the order of operations.

729

Practice makes perfect

According to the order of operations, expressions inside parentheses are evaluated first. For the given expression, this means evaluating the expression inside the square brackets completely before raising to the power.

[(3)^2]^3 For this, we must remember to evaluate the inner exponent first and then the outer exponent.

Operation	Before Simplification	After Simplification
Calculate power	[(3)^2]^3	[ 9]^3
Calculate power	[9]^3	729

The expression equals 729.

Alternative Solution

Using a Calculator

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

Subchapter links

Exercises p.10-13