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thebluepilot

  • one year ago

HELP!!!! REALLY NEED QUESTION ANSWERED!!!!! MEDAL AND FAN What is the sum of the geometric sequence 1, 3, 9, ... if there are 14 terms? 1,285,956 2,391,484 3,556,228 4,287,382

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  1. anonymous
    • one year ago
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    So do you know the pattern at least?

  2. anonymous
    • one year ago
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    Do you know the pattern of the sequence? @thebluepilot

  3. thebluepilot
    • one year ago
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    Not really... I'm kind of frantic cause i'm lost on remembering how to to a geometric sequence.

  4. anonymous
    • one year ago
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    Okay so clearly we are multiplying by 3

  5. anonymous
    • one year ago
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    1 x 3 = 3

  6. anonymous
    • one year ago
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    3 x 3 = 9

  7. anonymous
    • one year ago
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    So just continue to do that until you get 14 terms. So do that and tell me what you get.

  8. thebluepilot
    • one year ago
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    So we just go on and on till we reach the 14th term?

  9. anonymous
    • one year ago
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    Yes. Correct. When you get 14 terms you simply add them all. :) @thebluepilot

  10. triciaal
    • one year ago
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    |dw:1441213061185:dw|

  11. triciaal
    • one year ago
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    |dw:1441213177486:dw|

  12. thebluepilot
    • one year ago
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    Is it 3,556,228? Cause after doing the sequence, i think i hit that number.

  13. triciaal
    • one year ago
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    |dw:1441213328373:dw|

  14. thebluepilot
    • one year ago
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    2,391,484?

  15. triciaal
    • one year ago
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    that's what I got I used the formula review the above

  16. thebluepilot
    • one year ago
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    Thank you very much!

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