log72 + log2√5 - log125
Matematika
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Pertanyaan
log72 + log2√5 - log125
1 Jawaban
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1. Jawaban Anonyme
log 72 + log 2√5 - log 125
= log 72 + log 2 + log √5 - log 125
= log (72 × 2) + log (5^1/2 /5^3)
= log (2^4 × 3^2) + log 5^(-5/2)
= 4log 2 + 2log 3 - 5/2 log 5
= 4(0,301) + 2(0,477) - 5/2 (0,699)
= 1,204 + 0,954 - 1,7475
= 0,4105