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Numbers in Other Bases
Base 3: Ternary Numbers

Practice problem

Base 3: Ternary Numbers

By

Alex Federspiel

+1 contributors

Contributors

Alex Federspiel
Joshua Siktar

Alex just turned $221$ in base- $3.$ How old is he in base- $10?$

Choose one answer

Option A: A

$15$

Option B: B

$22$

Option C: C

$24$

Option D: D

$25$

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