Question

Determine the per annum interest rate required for an investment with continuous compound interest to triple in 8 years. Express your answer as a percent. Enter an exact answer or round to three decimal places, for example 10.227%.
The answer I got was ln3/8 but it says its wrong idk y?

Answer 1

\[3=e^{8t}\]
\[t=\frac{\ln(3)}{8}\] what you said

Answer 2

maybe it does not like your rounding

Answer 3

? ok cause that is wat I got

Answer 4

or maybe it wants you to write
\[\frac{\ln(3)}{8}\] and you entered
\[\frac{\ln 3}{8}\] who knows?

Answer 5

i tried both lol
thanks anyway