Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 1 - Foundations for Algebra - 1-2 Order of Operations and Evaluating Expressions - Practice and Problem-Solving Exercises - Page 13: 19



Work Step by Step

Because of order of operations, we first consider what is within the parenthesis: ($6^{2}$-$3^{3}$) Once within the parenthesis, we know that we first consider exponents and then subtract. Thus, it follows: ($6^{2}$-$3^{3}$)=36-27=9 We use this back in the initial expression to find: 9$\div$2=9/2 =4.5
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