Solución 1
\[\log_{9}(9^{-1}) = \boxed{-1}\]
Solución 2
\[\log_{7}(7^{-2}) = \boxed{-2}\]
Solución 3
\[\log_{9}(9^{1}) = \boxed{1}\]
Solución 4
\[\log_{3}(3^{2}) = \boxed{2}\]
Solución 5
\[\log_{4}(4^{3}) = \boxed{3}\]
Solución 6
\[\log_{6}(6^{4}) = \boxed{4}\]
Solución 7
\[\log_{2} (4) = \log_2\left(2^\boxed{{2}}\right) = \boxed{2}\]
Solución 8
\[\log_{9} (81) = \log_9\left(9^\boxed{{2}}\right) = \boxed{2}\]
Solución 9
\[\log_{8} (64) = \log_8\left(8^\boxed{{2}}\right) = \boxed{2}\]
Solución 10
\[\log_{11} (1) = \log_{11} (11^0) = \boxed{0}\]
Solución 11
\[\log_{6} (1) = \log_{6} (6^0) = \boxed{0}\]
Solución 12
\[\log_{12} (1) = \log_{12} (12^0) = \boxed{0}\]
Solución 13
\[\log_{9} (1) = \boxed{0}\]
Solución 14
\[\log_{10} (1) = \boxed{0}\]
Solución 15
\[\log_{11} (1) = \boxed{0}\]
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