Question

Equação exponencial ???
54 elevado a x = 9

Answer 1

${54}^{x} = 9 \\ x = log_{54}(9) \\ x = \frac{ log_{9}(9) }{ log_{9}(54) } \\ x = \frac{1}{ log_{9}(9 \times 6) } = \frac{1}{ log_{9}(9) + log_{9}(6) } \\ x = \frac{1}{1 + 0.81} = \frac{1}{1.81} \\ \boxed{x ≈ 0.55}$