Add $1_3 + 12_3 + 212_3 + 2121_3.$ Express your answer in base 3.
Question:
Add $1_3 + 12_3 + 212_3 + 2121_3.$ Express your answer in base 3.
Answer:
Let's think step by step.

user
10200_3
Add $1_3 + 12_3 + 212_3 + 2121_3.$ Express your answer in base 3.
train