Skip to content / Đến nội dung
ThichHocToan.com

SASMO 2019 Grade 10 Question 13

SASMO · SASMO 2019 Grade 10

Question 13

What is the last digit of $549^{123}\times549^{123}$?
  1. 1
  2. 9
  3. 3
  4. 6
  5. None of the above