## Prealgebra (7th Edition)

Published by Pearson

# Chapter 2 - Section 2.5 - Order of Operations - Exercise Set - Page 141: 102

#### Answer

Parentheses are necessary in this expression

#### Work Step by Step

Parentheses are necessary in this expression (3 + 4)$\times$ 5 = 7 $\times$5 = 35 while 3+ 4$\times$ 5 = 3 + 20 =23

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