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NatalieLove Group Title

What is the sum of a 6–term geometric series if the first term is 19 and the last term is 319,333?

  • 2 years ago
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  1. NatalieLove Group Title
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    is it 372,552

    • 2 years ago
  2. lin.ivory Group Title
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    have you tried using Sn = (a(1-r^n))/ (1-r) (im doing similar questions...so ill blehhh!!)

    • 2 years ago
  3. lin.ivory Group Title
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    yup!! its 372 552

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