Nilai ^9 log 25 × ^5 log 2 - ^3 log 54=
Ujian Nasional
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Pertanyaan
Nilai ^9 log 25 × ^5 log 2 - ^3 log 54=
2 Jawaban
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1. Jawaban banana3110
^9 log 25
= ^(3²) log (5²)
= (2/2) × ^3 log 5
= ^3 log 5
^3 log 5 × ^5 log 2 = ^3 log 2
^3 log 2 - ^3 log 54
= ^3 log (2 / 54)
= ^3 log (1/27)
= ^3 log (3^-3)
= -3/1 × ^3 log 3
= -3 × 1
= -3 -
2. Jawaban Kesrev
sy pake cara langsung...tapi yg pertama dikalikan terlebih dahulu
^9 log 25 x ^5 log 2 = 34,257 - ^3 log 54 = 28,318 dibulatkan = 28
#maaf klo salah