[tex] \log_a(\frac{1}{a^{3}}) \newline \log_a(1) - \log_a(a^{3}) \newline 0 - \log_a(a^{3}) \newline 0 - 3\log_a(a) \newline 0 - 3(1) \newline = -3 [/tex]
Your final answer is d) -3.