Question

Find the 10th term in the sequence.
, -1, 2, -4, …
a. -256
b. 125
c. 512

Answer 1

the first term was 1/2 it wouldn't post it

Answer 2

@StudyGurl14

Answer 3

the common ratio is?
the first term is?

use:
\(\large\color{slate}{\displaystyle a_n=a_1\times r^{n-1}}\)

Answer 4

(or, you can start from -4 )
going like this

\(\large\color{slate}{\displaystyle a_{10} = a_3\times r^{10-3}}\)

Answer 5

don't understand my notations ? (if so, please let me know, I will explain them)

Answer 6

i understand them

Answer 7

My apologies, my notification didn't work.... I didn't know you gave me a medal. I thought you were just sitting there waiting for something to happen.
....

you welcome!