Question

Michael went to the library to research his topic, use the computers, and study for a test.

The purpose of the commas in this sentence is to

Answer 1

They are used to list the things he will be doing.

Answer 2

The purpose of the comma is to separte the items of list.

Step-by-step explanation:

In the sentence above, the comma separates each of the items of a list, the list made up of the things Michael did: He went to the library, used the computers, and studied for a test. You should use commas to separate words and word groups in a series of three or more items.