SOLUTION: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this. 4^x=1/16

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this. 4^x=1/16      Log On


   

Question 1131795: Solve. Where appropriate, include approximations to the nearest thousandth. If no solution exists, state this.
4^x=1/16
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

4%5Ex=1%2F16
4%5Ex=1%2F4%5E2
4%5Ex=4%5E-2...same base=>
x=-2