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

Solve for the unknown number of years in each of the following: $($Do not roun intermediate calculations and round your answers to $2$ decimal places, e$.$g$.,32\mathrm{.}16.)$

$\backslash$table$[[$Present Value,Years,Interest Rate,Future Value$],[$$$,9,\%,$$$,1,317],[540,,10,\%,1,743],[790,,17,\%,277,707],[18,200,,15,\%,414,506],[21,300,,,,]]$