Skip to content / Đến nội dung
ThichHocToan.com

SEAMO 2027 - Paper F - SET 06 - Self-study Question 16

SEAMO · SEAMO 2027 - Paper F - SET 06 - Self-study

Question 16

Let $N=2+22+222+\cdots$, with 3000 terms. What are the last four digits of $N$?
  1. 6580
  2. 7580
  3. 8580
  4. 9580
  5. 0000