Question

What is the sum of the first eight terms of the geometric series where a sub 1 = 2 and r = −5?

S sub 8 = −130,208
S sub 8 = −31,249
S sub 8 = 31,249
S sub 8 = 39,062

Answer 1

please help

Answer 2

thanks

Answer 3

http://prnt.sc/aa2znv

Answer 4

help please