$($Related to Checkpoint $5\mathrm{.}5)($Solving for $n)$ How many years will it take for $$500$ to grow to $$1,039\mathrm{.}56$ if it's invested at $9$ percent compounded annually?

The number of years it will take for $$500$ to grow to $$1,039\mathrm{.}56$ at $9$ percent compounded annually is

years. $($Round to one decimal place.$)$