Skip to content / Đến nội dung
ThichHocToan.com

SEAMO 2027 - Paper C - SET 05 - Self-study Question 24

SEAMO · SEAMO 2027 - Paper C - SET 05 - Self-study

Question 24

Find the ones digit of $$1^5+2^9+3^{13}+4^{17}+5^{21}+6^{21}+7^{29}+8^{25}.$$
  1. 5
  2. 6
  3. 7
  4. 8
  5. 9