Question

What is the 8th term of the geometric sequence 1, –4, 16, …?
Answer

4,096

16,384

–4,096

–16,384

Answer 1

a=1
r=-4
an=a*r^(n-1)
a8=1*-4^(7)
a8=-16384

Answer 2

Thank you :D

Answer 3

you're welcome, don't have to say thanks