Chapter 1.3, Problem 14P

For each of the following pairs of numbers, find a decimal between the two number, and plot all three numbers visibly and distinctly on a number line like the one in Figure 1.54. Label all the longer tick marks. Your labeling of the tick marks should fit with the structure of the base-ten marks should fit with the structure of the base-ten system.

1. The numbers -1.5 and -1.6
2. The numbers -34.9714 and -34.9835
3. The numbers -7.834 and -7.83561