Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Review Exercises: 38

Answer

$55$

Work Step by Step

Recall the acronym PEDMAS, which tells us the order of operations: P: Parenthesis and other grouping symbols E: Exponents D/M: Division and Multiplication (from left to right) A/S: Addition and Subtraction (from left to right) Use the rule above to obtain: (Recall, $a-(-b)=a+b$.) $=64-36 \div 9 \cdot 4 - (-7) \\=64 - 4 \cdot 4 -(-7) \\=64 - 16 -(-7) \\=48-(-7) \\=48+7 $ $\\=55$
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.