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2016 AMC 10B Question 8

AMC10 · 2016 AMC 10B

Question 8

What is the tens digit of $2015^{2016}-2017?$
  1. $ \ 0 $
  2. $ \ 1 $
  3. $ \ 3 $
  4. $ \ 5 $
  5. $ \ 8 $