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Verified answer
Kelas 8 MatematikaBab Barisan dan Deret Bilangan
^ = pangkat
r = ^(6 - 1)√(U6 / U1)
r = ^5√(160/5)
r = ^5√(32)
r = 2
Sn = a . (r^n - 1)/(r - 1)
S6 = 5 . (2^6 - 1)/(2 - 1)
S6 = 5 . (64 - 1)/1
S6 = 5 . 63
S6 = 315 m