Question

what is this if it was a sequence give examples

Answer 1

@robtobey ?

Answer 2

Try finding the common ratio in each of the questions and see if they're geometric.

Answer 3

If the sequence follows a pattern multiply by a fixed amount of times then it's a geometric sequency.

Answer 4

sequence*

Answer 5

Seems there is only one which isn't a pattern here, can you see which?