Answer:
-11
Explanation:
logb ( a^5 c^2 / d^6)
Splitting these into log (xy/z) = log x + log y - logz
logb ( a^5) +logb ( c^2) - logb( d^6)
We also know that log x^y = y log x
5logb ( a) +2logb ( c) - 6 logb( d)
Given logb ( a)=3 logb ( c) =2 logb( d)=5
5 * 3 + 2* 2 - 6* 5
15 +4 -30
19 - 30
-11