## Elementary Algebra

Published by Cengage Learning

# Chapter 2 - Real Numbers - Chapter 2 Test - Page 90: 4

#### Answer

$-2.6$

#### Work Step by Step

We first group terms to make simplification easier. Then, we consider the expressions within the parenthesis. Then, we will simplify further: $5.7-3.8+4.6-9.1$ =$(5.7-3.8)+(4.6-9.1)$ =$(1.9)+(-4.5)$ =$-2.6$

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