9,12,21,48,129.........
next number
Answers
Answered by
1
Answer:
133......................okay,,,,
Answered by
1
Answer:
9+3^1=9+3=12
12+3^2=12+9=21
21+3^3=21+27=48
48+3^4=48+81=129
likewise,
129+3^5=129+243=372
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