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: 41

Answer

$-13$

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: $=4-(-5)^2+3 \div 6 \cdot 16 \\=4-25 + 3 \div 6 \cdot 16 \\=4-25 + 0.5 \cdot 16 \\=4-25 + 8 \\=-21 + 8 \\=-13$
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