Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 5 - Number Theory and the Real Number System - 5.2 The Integers; Order of Operations - Exercise Set 5.2 - Page 269: 90

Answer

$-11$

Work Step by Step

The order of operations follow the following hierarchy (PEMDAS rule): (i) Parentheses/grouping symbols (ii) Exponents (iii) Multiplication/Division, whichever comes first from the left (iv) Addition/Subtraction, whichever comes first from the left Use the rule above to obtain: $=9-5(2)-10 \\=9-10-10 \\=-1-10 \\=-11$
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.

GradeSaver will pay $15 for your literature essays
GradeSaver will pay $25 for your college application essays
GradeSaver will pay $50 for your graduate school essays – Law, Business, or Medical
GradeSaver will pay $10 for your Community Note contributions
GradeSaver will pay $500 for your Textbook Answer contributions