2 x 0

2 x 1

= 2

2 x 2

= 4

2 x 3

= 6

2 x 4

= 8

2 x 5

= 10

2 x 6

= 12

2 x 7

= 14

2 x 8

= 16

2 x 9

= 18

2 x 10

= 20