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: 149

Answer

(8 - 2)$\times$3 - 4 = 14

Work Step by Step

The problem states to insert one set of parentheses to make the statement true. The original statement is: 8 - 2 $\times$ 3 - 4 Adding the parentheses as noted below makes the statement true (note the problem worked using order of operations): (8 - 2) x 3 - 4 (6) x 3 - 4 working within parenthesis where 8 - 2 is 6 Then multiplication and division left to right. 18 - 4. Last add and subtract left to right. 18 - 4 = 14
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