College Algebra (10th Edition)

Published by Pearson
ISBN 10: 0321979478
ISBN 13: 978-0-32197-947-6

Chapter R - Section R.1 - Real Numbers - R.1 Assess Your Understanding - Page 16: 60

Answer

$-23$

Work Step by Step

RECALL: The order of operations follow the PEMDAS rule: First Priority: P - Parentheses or grouping symbols Second Priority: E - Exponents Third Priority: M/D - Multiplication or Division, whichever comes first from the left Fourth Priority: A/S - Addition or Subtraction, whichever comes first from the left Use the PEMDAS rule to obtain: $=2 \cdot [8-3(6)]-3 \\=2 \cdot [8-18] - 3 \\=2 \cdot [-10] - 3 \\=-20 - 3 \\=-23$
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