### Home > PC > Chapter 2 > Lesson 2.3.6 > Problem 2-150

2-150.

Since all of the terms have a 0.5 multiplier, factor that out.

How many terms are there?

Decide if you will start at 0 or start at 1.

21

2-150.

Since all of the terms have a 0.5 multiplier, factor that out.

How many terms are there?

Decide if you will start at 0 or start at 1.

21