jika log 2 = 0,3010 dan log 3 = 0,4771 , maka log 25 = .....
Matematika
naruuttoo
Pertanyaan
jika log 2 = 0,3010 dan log 3 = 0,4771 , maka log 25 = .....
1 Jawaban
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1. Jawaban 18Navillera
log 25 = log 5²
= 2 . log 5
= 2 . log (10/2)
= 2 . (log 10 - log 2)
= 2 . (1 - 0,3010)
= 2 . 0,6990
= 1,3980