After being declared successful in funding PKM 5 in the Ministry of Education and Culture in 2021 in the PKM-RE (Exact Research) category on May 6th, 2021. Wiwied Ishartuti, Choirul Fatihin, and Rahmatika from Mathematics B 2019 and Adi Setiawan from Statistics 2018 who were supervised by Mr. Ezra Putranda Setiawan , S.Si, M.Sc carried out his research for 4 months. The study entitled "Estimating the Opportunity of Success and the Relationship Between Followers and Percentage of Clicks on the Effectiveness of E-commerce Paid Ads in a Pandemic Period" discusses the chances of success for advertising on E-commerce with Multinomial Logistic Regression. This research is expected to help business actors, especially MSMEs in E-commerce when they want to advertise their products. On September 17, 2021 an online PKP2 will be held with each team being provided with 24 minutes of time, with details of 4 minutes for preparation, 10 minutes for presentation, and 10 minutes for questions and answers. This team presented the results of their research to the jury, Ms. Dr. Hj. Endang Budiasih, M.S. and Mr Joko Prasetyo. After this PKP2 it will be announced which teams are entitled to qualify for PIMNAS 2021.