Which number can be placed at the sign(?) of
interrogation, 3,6,15,?,123,366
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Explain?
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1
Answer:
42
Step-by-step explanation:
Add powers to the 3 each time starts with 0,
add 3^0 which is 1, you get 3
add 3^1 which is 3,you get 3+3=6
add 3^2 which is 9,you get 6+9=15
add 3^3 which is 27,you get 15+27=42
add 3^4 which is 81,you get 42+81=123
add 3^5 which is 243,you get 123+243=366
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