Chapter 1 - Foundations for Algebra - 1-3 Real Numbers and the Number Line - Practice and Problem-Solving Exercises - Page 20: 45

$-2, -\frac{7}{4}, \frac{1}{2}, \sqrt 5, 2.4$

Restate each number as a decimal to compare. $\frac{1}{2}\ \ \ \ =\ \ \ 0.5$ $-2\ \ =-2$ $\sqrt 5\ \ =\ \ \ 2.236$ $-\frac{7}{4}\ \ =-1.75$ $2.4\ \ = \ \ \ \ \ 2.4$ Reorder from least to greatest. $-2\ \ =-2$ $-\frac{7}{4}\ \ =-1.75$ $\frac{1}{2}\ \ \ \ =\ \ \ 0.5$ $\sqrt 5\ \ =\ \ \ 2.236$ $2.4\ \ = \ \ \ \ \ 2.4$