Question

7•e^.1t =47 express the solution as a logarithmic in base e

Answer 1

The value of t is 19.04

Explanation:

`7e^(0.1t) = 47\\`

`e^(0.1t) = (47)/(7)`

take log both sides :

`ln(e^(0.1t)) = ln((47)/(7)) \\0.1t = 1.9042\\t = (1.9042)/(0.1)\\t = 19.04`