SOLUTION: Solve the equation. (Hint: the bases cannot be made the same.) 3^x=20

Algebra ->  Exponential-and-logarithmic-functions -> SOLUTION: Solve the equation. (Hint: the bases cannot be made the same.) 3^x=20      Log On


   

Question 432395: Solve the equation. (Hint: the bases cannot be made the same.)
3^x=20
Answer by pheonix1974(2) About Me  (Show Source):
You can put this solution on YOUR website!
3^x=20
take the log3 of both sides, then the left side just becomes x and you have
x=log3 of 20
x=ln20/ln3
x=2.726 approximately rounded to the nearest thousandth