Question

what is the rule for finding the 100th term in the sequence 0,2,4,8,16

Answer 1

any help will be appreciated. thank you very much!

Answer 2

mult. by 2

Answer 3

By rule i mean the equation

Answer 4

So the rule for finding the nth term

Answer 5

Are you sure it isn't 1,2,4,8,16

Answer 6

\[
a_n = a_1\cdot \left(\frac {a_2}{a_1}\right)^{n-1}
\]

Answer 7

This is the formula for an geometric sequence given the first two terms.

Answer 8

It's not arithmetic.

Answer 9

It's geometric if the first term is corrected.

Answer 10

Yes, to be geometric, the first term must be removed.