Skip to content / Đến nội dung
ThichHocToan.com

1981 AMC 12 Question 16

AMC12 · 1981 AMC 12

Question 16

The base three representation of $x$ is $$
12112211122211112222.
$$ The first digit (on the left) of the base nine representation of $x$ is
  1. $1$
  2. $2$
  3. $3$
  4. $4$
  5. $5$