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Verified answer
Kelas 8 MatematikaBab Barisan dan Deret Bilangan
Banyak bakteri = a . rⁿ
a = 5
r = 2
n = (10.00 - 06.00) / 30 menit
n = 4 jam / 30 menit
n = 4 . 60 menit / 30 menit
n = 8
Banyak bakteri
= a . rⁿ
= 5 . 2⁸
= 5 . 256
= 1.280 bakteri