Question

Specify the set by description.
{1, 9, 81, 729, 6561, ...}
nonnegative powers of 9
powers of 9
nonnegative multiples of 9
counting numbers
multiples of 9

Answer 1

It looks like multiples of 9.

Answer 2

that's what I got

Answer 3

1 * 9 = 9
9 * 9 = 81
9 * 81 = 729

Answer 4

multiples of 9 :
0, 9, 18, 27, 36, 45,...

Answer 5

0?

Answer 6

Oh yeah, dur.

Answer 7

yes, 0 is in there as well

Answer 8

yeah 0 * 9

Answer 9

I thought powers of 9 meant x^9

Answer 10

I feel pretty stupid right now. half of my brain is like "powers of 9 you dimwit" and the other half is like "well wait just a mo"