Matematika

Pertanyaan

log 10 + log 8 - log 4 + log 20 =
tolong di bantu trimakasi

1 Jawaban

  • Kelas 10 Matematika
    Bab Logaritma

    log 10 + log 8 - log 4 + log 20
    = 1 + log (8 . 20/4)
    = 1 + log 40
    = 1 + log (10 . 4)
    = 1 + log 10 + log 4
    = 1 + 1 + log 2²
    = 2 + 2 log 2

    atau

    = 2 + 2 . 0,301
    = 2 + 0,602
    = 2,602

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