Lois benjamin engaged with 100 successful african americans in a study of racial prejudice using which research method

The research method that he uses is Interview
He interviewed what society considered as the 'black elites' which is a group of African Americans that are successful in establishing careers/businesses in this country. He used open-ended questions in order to find more deep and opinioated answers.

the answer is 66667777

Explanation:

you just multiply it by itself.. lol.