please answer the following question in the screen shot

Convert the exponential equations into logarithmic form: (a) 32 = 9 is equivalent to log3 C = D. C = and D = (b) 16 = 42 is equivalent to log4 E = F. E = and F = ((2)103 = 1000 is equivalent to log10 G = H. G = and H = (d) 0.001 = 103 is equivalent to loglo J = K. J = andK =