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djverab [1.8K]
3 years ago
11

The number of visitors to a website in the first week is 65. The number of visitors each week is double the number of visitors t

he previous week. What is the total number of visitors to the website in the first 7 weeks? Show your work.
Mathematics
1 answer:
AfilCa [17]3 years ago
8 0

Answer:

  • 8255 visitors

Step-by-step explanation:

<u>Given a GP where</u>

  • a = 65
  • r = 2
  • n = 7

<u>To find</u>

  • S₇ = ?

<u>Solution</u>

  • Sₙ = a(rⁿ - 1)/(r -1)
  • S₇ = 65(2⁷ - 1)/(2 - 1) = 65*127/1 = 8255
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