Answer:
The first statement: "Her first mistake was in Step 2. She added 0.2 to each term instead of multiplying by 0.2."
Answer:
1120°
Step-by-step explanation:
Use the sum of interior angles formula:

Where n is the number of sides.
In a nonagon, there are 9 sides, substitute 9 for n:

Since our nonagon is a regular nonagon, all 9 angles measure the same, so each angle measures:

Subtract 140 from 1260:

The answer for the question is
7.6 is greater<span> than 55 squared</span>