Question

Look at the following sequence. 51, 5.1, 0.51, 0.051, . . .

Answer 1

As the other dude said,

Explanation:

And so on

Answer 2

Hello there.
The sequence is being divided by ten
51/10= 5.1
5.1/10 = 0.51
0.51/10 = 0.051,
and so on.
You can also reverse the following sequence and multiply it by ten.