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2009 AMC 10B Question 21

AMC10 · 2009 AMC 10B

Question 21

What is the remainder when $$
3^0+3^1+3^2+\cdots+3^{2009}
$$ is divided by $8?$
  1. $0$
  2. $1$
  3. $2$
  4. $4$
  5. $6$