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AMC8 2027 - Self-practice Set 8 Question 13

AMC8 · AMC8 2027 - Self-practice Set 8

Question 13

A special calculator has only two buttons, $[+1]$ and $[\times2]$. Pressing a button immediately updates the displayed number. For example, starting at $9$, pressing $[+1]$ displays $10$, then pressing $[\times2]$ displays $20$. What is the minimum number of presses needed to reach $200$ starting from $1$?
  1. 8
  2. 9
  3. 10
  4. 11
  5. 12