Answer:
a) 25000(1+0.021)^t
b) 1.28 x 10^(57)
Step-by-step explanation:
To calculate the balance after t days, we can use the following equation:

Where P is the initial investment, i is the interest rate daily and t is the number of days.
Therefore, the model for this situation is:

Then, if 16 years is equivalent to 5840 days, the balance after 16 years is equal to:
