Use logarithms to solve expenential equqtion
5^x=30
log 5^x = x * log 5
so,
x log 5 = log 30
x = log 30/log 5
Note that it does not matter what base you use.
5^x=30
so,
x log 5 = log 30
x = log 30/log 5
Note that it does not matter what base you use.