Find the logarithm using the change-of-base formula. Round to four decimal places. A. Convert to a..

Find the logarithm using the change-of-base formula. Round to four decimal places. A. Convert to a logarithmic equation. a. 4 -3 = b. 5 x = 100 c. y = e x B. Convert to an exponential equation. A. c = b. ln5 = r c. log x = 2.5 3. Express in terms of sums and differences of logarithms. A. log 6x 2 yz 3 B. ln C. log 4. Express as a single logarithm and, if possible, simplify. a. 4log x + 3log 2y B. ln (x 2 - 9)-ln(x-3) c. 3log d - 2[log(x+1) +log(x-1)]