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Rroselle324go
Answered

Find the sum of the geometric sequence. 7 terms of 1, 2, 4, 8, 16...​

Sagot :

Estresgo

Answer:

2/1= 2

r= 2

an= a(r)^n-1

a6= 1(2)^6-1

a6= 1(2)⁵

a6= 1(32)

a6= 32

a7= 1(2)^7-1

a7= 1(2)⁶

a7= 1(64)

a7= 64

= 1, 2, 4, 8, 16..., 32, 64

Sum: 127

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