166k views
3 votes
Post your question here (Keep it simple and clear to get the best answers) Given that log4x=-3,find x. a,1/81 b. 1/64 c.64 d.81

User Jo David
by
8.5k points

1 Answer

6 votes
I assume 4 is the base.


\log_4x=-3\\ 4^(-3)=x\\ x=(1)/(4^3)\\ x=(1)/(64)
User Alex Egorov
by
8.5k points