# Chapter 1 - Section 1.1 - Real Numbers - 1.1 Exercises: 69

a.) 2 b.) -1

#### Work Step by Step

a. $\mid$$\mid-6\mid-\mid4\mid$$\mid$ $\mid$-6$\mid$ = -(-6) = 6 $\mid$4$\mid$ = 4 $\mid$6-4$\mid$ = $\mid$2$\mid$ = 2 b. $\frac{-1}{\mid-1\mid}$ $\mid$-1$\mid$ = -(-1) = 1 $\frac{-1}{1}$ = -1

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.