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1970 AMC 12 Question 23

AMC12 · 1970 AMC 12

Question 23

The number $10!$ ($10$ is written in base $10$), when written in the base $12$ system, ends in exactly $k$ zeros. The value of $k$ is:
  1. $1$
  2. $2$
  3. $3$
  4. $4$
  5. $5$