Question

8) CALCULE O LOGARITMO DE 1/243 NA BASE 3.
a) -5
b)5
c)4
d)-4
​

Answer 1

log3 1/243

log3 1/3^5

log3 3^(-5) = (-5)

Answer 2

$\log _3\left(\frac{1}{243}\right)\\\log _3\left(3^{-5}\right)\\\\Formula\Rightarrow\log _a\left(a^x\right)=x\\-5$

• ✅ a) -5