Base Systems (Medium)
AMC 10/12 mid (≈Q9–16) — multi-step.
Base Systems: core idea
From base 10.
Example problem: hint and answer
Convert to base .
Hint: Convert to base ten when arithmetic is unclear. Answer: 31.
Practice (9 problems — type your answers)
1. Convert to base .
2. Compute in base .
3. Convert to base .
4. Compute in base .
5. Convert to base .
6. Find if .
7. Compute in base .
8. Convert to base .
9. Convert to base .