The formula $A = P\left(1 + \frac{r}{n}\right)^{nt}$ describes the accumulated value, $A$, of a sum of money, $P$, the principal, after $t$ years at annual percentage rate $r$ (in decimal form) compounded $n$ times a year. Complete the table for a savings account subject to $n$ compounding periods per year.
Amount Invested Number of Compounding Periods Annual Interest Rate Accumulated Amount Time t in Years
$11,000 4 5.75% $16,000 ?
$t \approx \text{____ years}$
(Do not round until the final answer. Then round to one decimal place as needed.)