jika log 3=0.477 dan log 5=0.699 maka log 45 adalah...
Matematika
11020
Pertanyaan
jika log 3=0.477 dan log 5=0.699 maka log 45 adalah...
2 Jawaban
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1. Jawaban excarte
[tex] log(45) = log( {3}^{2} \times 5) \\ = log( {3}^{2} ) + log(5) \\ = 2 log(3) + log(5) \\ = 2(0.477) + 0.699 \\ = 1.653[/tex] -
2. Jawaban nafalaksmi
log 45 = log 9.5
= 2 log 3 + log 5
= 2. 0,477 + 0.699
= 0,954 + 0,699
= 1,653