Find the sum of the finite geometric sequence whose first term is 1.4, whose ratio is 0.5, and which has six terms. The sum is (

Question

Find the sum of the finite geometric sequence whose first term is 1.4, whose ratio is 0.5, and which has six terms.
The sum is
(Type an integer or decimal rounded to five decimal places as needed.)

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Orla Orla 4 years 2021-08-27T10:03:35+00:00 1 Answers 6 views 0

Answers ( )

  1. binhan
    0
    2021-08-27T10:05:01+00:00
    Reply

    Answer:

    2.75632 rounded to 5 decimal places

    Step-by-step explanation:

    a(r^n-1)/r-1 is the formula for sum of geometric series

    where a= first term (1.4)

    n= number of terms(6)

    r= common ratio(0.5)

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