Question

Sabendo que log a =5, log b =3 e log c =2, calcule:
log b^2/a^3*c

Answer 1

$\log a.b=\log a+\log b\\\\\log\frac{a}{b}=\log a-\log b\\\\\log a^b=b\log a$

$\log(\frac{b^2}{a^3.c})\\\\\log b^2-\log a^3-\log c\\\\2\log b-3\log a-\log c\\\\2.3-3.5-2\\\\-11$