### Home > AC > Chapter 2 > Lesson 2.1.8 > Problem 2-77

2-77.

WHICH IS GREATER?

Refer to the Math Notes box for help with reading the Expression Comparison Mats.

Remove the zero pairs from the bottom and the top regions.

The right side is greater.

Use the expression comparison mat on the eTool below to simplify.

Click the link at right for the full version of the eTool: *2-77a HW eTool** ** *(CPM)

Use the expression comparison mat on the eTool below to simplify.

Click the link at right for the full version of the eTool: *2-77b HW eTool* (CPM)