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Verified answer
Kelas 8 MatematikaBab Barisan dan Deret Bilangan
Sn = a . (rⁿ - 1)/(r - 1)
S5 = 2 . (2⁵ - 1) / (2 - 1)
S5 = 2 . (32 - 1) / 1
S5 = 2 . 31
S5 = 62
Verified answer
Barisan GeometriMenentukan Jumlah Suku Ke n
Rumus
Soal
a = 2
r = 2
S5 = ...
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