Question

Use the Change of Base Formula to evaluate log8^77. ?

Answer 1

\[\log_b(A)=\frac{\ln(A)}{\ln(b)}\]

Answer 2

in your case compute
\[\frac{\ln(77)}{\ln(8)}\]

Answer 3

http://www.wolframalpha.com/input/?i=ln%2877%29%2Fln%288%29

Answer 4

thank you for your help!