SOLUTION: How long (in years) would it take $9,900 to grow into $22,800 if it's compounded continuously at 4% interest per year?
Answer:____ years (Round your answer to 2 decimal places.)
22800 = .
In this equation t is the unknown time in years.
=
2.3030 =
Take the natural logarithm of both sides
ln(2.3030) = 0.04*t
t = = 20.855.
ANSWER. In 20.885 years.