Complete the table
Please help meee

Answer:
[tex]3^{1}[/tex] - 3
3² - 9
3³ - 27
[tex]3^{4}[/tex] - 81
[tex]3^{5}[/tex] - 243
[tex]3^{6}[/tex] - 729
[tex]3^{7}[/tex] - 2,187