Question

Can someone explain to me why ln e^5 equals 5?

Answer 1

ln 2.718⁵ = ln 148.413 = 5

Answer 2

ln (e^5 )= 5 ln e
but ln e = 1
so ln (e^5) = 5*1 = 5

Answer 3

How do you solve 4 to the power of 2-6x = 812? I can't find a common number that raised to a power equals 812.