Matematika

Pertanyaan

Log 10 + log 2 - 4 log 12

1 Jawaban

  • log 10 + log 2 - 4log 12
    = 1 + log 2 - 4(log 2² + log 3)
    = 1 + log 2 - 8log 2 - 4log 3
    = 1 - 7log 2 - 4log 3
    = 1 - (7 × 0,301) - (4 × 0,477)
    = 1 - 2,107 - 1,908
    = -3,015

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