Question

http://prntscr.com/awhiju

Answer 1

@ganeshie8

Answer 2

start by finding the common ratio :

\[4*r^7 = -8748\]

Answer 3

that gives \(r = -3\)

Answer 4

then use the general term formula
\[a_{16} = a_1*r^{15}\]

to find the 16th term

Answer 5

omg thanks ganesh