All exponents must be left in radical form: 2/3(log_2 x - log_2 y). Simplify the expression: 2 log_4^9 - log_4^3. Evaluate \log_4 64^8 - \log_2 2^8. Rewrite 6^2 = 36 into logarithmic form. 1.) Evaluate the logarithm. \log_9 \left(\dfrac{1}{81} \right) 2.) ...