Problem $4-5$ Calculating the Number of Periods $[$LO $4]$

Solve for the unknown number of years in each of the following:

Note: Do not round Intermedlate calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.$

$\backslash$table$[[$Present Value,Years,Interest Rate,Future Value$],[5,650,,4,12,56,3,1\mathrm{.}505],[,2,341,,,10,50,,4,100],[,33,605,,,15,96,,391\mathrm{.}120],[,33,300,,,22,5\%,,210,308]]$