Logikanya
Setiap 20 menit membelah 2
Semula 10 bakteri
(20 menit) 10x2 = 20 bakteri
(40 menit) 20x2 = 40 bakteri
(60 menit) 40x2 = 80 bakteri
(80 menit) 80x2 = 160 bakteri
Secara matematika nya :
80 menit : 20 menit = 4
jumlah bakteri = 10 x 2^4 = 10 x 16 = 160 bakteri.
Terbaik
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Logikanya
Setiap 20 menit membelah 2
Semula 10 bakteri
(20 menit) 10x2 = 20 bakteri
(40 menit) 20x2 = 40 bakteri
(60 menit) 40x2 = 80 bakteri
(80 menit) 80x2 = 160 bakteri
Secara matematika nya :
80 menit : 20 menit = 4
jumlah bakteri = 10 x 2^4 = 10 x 16 = 160 bakteri.
Terbaik