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: 61

Answer

$11$

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: $=2 \cdot (-2) + 8 \cdot 2 - 1 \\=-4 + 16 - 1 \\=12-1 \\=11$
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