math
posted by Anonymous .
Write the expression in terms of common logarithms, and then give a calculator approximation (correct to four decimal places).
log_(9) \(77\) =

I don't understand your notation.
Did you mean log_{9} 77 ??
If so, then this would be
log 77/log9 = appr. 1.976951 or
1.9770 correct to 4 decimals