1951 AHSME Problem 45

If you are given \log 8\approx .9031 and \log 9\approx .9542, then the only logarithm that cannot be found without the use of tables is:

\textbf{(A)}\ \log 17\qquad\textbf{(B)}\ \log\frac{5}{4}\qquad\textbf{(C)}\ \log 15\qquad\textbf{(D)}\ \log 600\qquad\textbf{(E)}\ \log .4

Full credit goes to MAA for authoring these problems. These problems were taken on the AOPS website.