Jawaban:
a = 20
r = 1/2
Un = a . r^(n-1)
U8
= 20 . (1/2)^(8-1)
= 20 . (1/2)^7
= 20 . 1/128
= 6,4
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Jawaban:
a = 20
r = 1/2
Un = a . r^(n-1)
U8
= 20 . (1/2)^(8-1)
= 20 . (1/2)^7
= 20 . 1/128
= 6,4
Semoga Membantu (◕ᴗ◕✿)