### Exponentials & Logarithms

$\log_3 2 + \log_3 5 = \log_3 10$ $\log_2 15 - \log_2 3 = \log_2 5$ $2\log_5 7 = \log_5 49$ $\frac{1}{3} \log_5 64 = \log_5 4$ $(\log_5 7) \times (\log_7 11)=\log_5 11$