Question

Simple math that I can't grasp. Please help



Find the th term of the geometric sequence whose common ratio is 1/2 and whose first term is 2.

Answer 1

10th term*

Answer 2

lol sorry bro this is one i cant help u one man lol <3 sorry

Answer 3

Thanks for trying anyway.

Answer 4

@thomaster

Answer 5

np

Answer 6

think it's 256 @Luigi0210

Answer 7

lol i got no clue hehe i dont think i took this yet

Answer 8

Just 256?

Answer 9

thought so...Is that incorrect?

Answer 10

Well it's a geometric sequence, first term 2 and common ratio is 1/2, so that means multiply it by 1/2 each time right?

Answer 11

yeah

Answer 12

You got it somewhat right \[\large\frac{1}{256}\]
This is the answer

Answer 13

the formula:
\[\large a_{n} = ar^{n – 1}\]

Answer 14

?
Why do I have to put 1 over it?

Answer 15

It's a fraction

Answer 16

oh?
thanks wigi

Answer 17

Yup!