Nujno naiti logarifm esli eto lg5=0.699 budet s kak eto budet eto lg1/5=?

Question

Nujno naiti logarifm
esli eto lg5=0.699 budet
s kak eto budet eto lg1/5=?

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Answer 1

Lg(1/5)=lg5^(-1)=-1*lg5=-1*0.699=-0.699