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

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

$\backslash$table$[[$Present Value,Years,Interest Rate,Future Value$],[$$$,630,,\%,$$$,1,496],[,880,,12,\%,,2,496],[,19,100,,18,\%,,392,101],[,22,200,,14,\%,,403,794]]$