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What is the sum of the first 9 terms of 7+21+63+...
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What is the sum of the first 9 terms of 7+21+63+...

What is the sum of the first 9 terms of 7+21+63+...-example-1
User Romario
by
5.6k points

1 Answer

5 votes

Answer:

Explanation:

7

21

+63 =91

User Ironsand
by
5.6k points
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