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VTMO 2015 — Grade 6 — semifinal Question 4

VTMO · VTMO 2015 — Grade 6 — semifinal

Question 4

Find the last digit of $2015^{0} + 2015^{1} + 2015^{2} + 2015^{3} + 2015^{4}$.
  1. $1$
  2. $5$
  3. $6$
  4. $7$
  5. $9$