Question

6^6n<=1/1296

Answer 1

6^6n<=1/1296
in such equations convert RHS into exponential form :
viz. (1/1296)= (1/6)^4
therefore equation become : 6^6n<=(1/6)^4 =(6)^-4
now compare the powers of RHS and LHS :
6n <= -4
this implies : n<=(-4/6)<=(-2/3)

Answer 2

ah ok thnx