V13 185 (D) (E) 8 25. Alex writes down the value of the following sum, where the final term is the number consisting of 2020 consecutive nines: 9 + 99 + 999 + 9999 + ... + 99...9 + 99...9 2019 nines...

Extracted text: V13 185 (D) (E) 8 25. Alex writes down the value of the following sum, where the final term is the number consisting of 2020 consecutive nines: 9 + 99 + 999 + 9999 + ... + 99...9 + 99...9 2019 nines 2020 nines How many times does the digit 1 appear in the answer? (A) 0 (B) 2016 (C) 2018 (D) 2020 (E) 2021 For questions 26 to 30, shade the answer as an integer from 0 to 999 in the space provided on the answer sheet.