What happens when 10 is 'raised' to negative powers?

1 x 101 = 10

1 x 100 = 1

1 x 10-1 = 0.1

1 x 10-2 = 0.01

1 x 10-3 = 0.001

1 x 10-4 = 0.0001

1 x 10-5 = 0.00001

1 x 10-6 = 0.000001

1 x 10-7 = 0.0000001

1 x 10-8 = 0.00000001

1 x 10-9 = 0.000000001

1 x 10-10 = 0.0000000001