The general formula for the sum of the n terms of a geometric progression is:
Sn = A1 (1 - r^n) / (1 - r)
In this case, n = 8; A1 = - 11, r = -4
S8 = -11 (1 - (-4)^8) / (1 -(-4)) = 144,177
Answer: option c.
Answer:
Step-by-step explanation:
Filho 4x:/3
-16 - 4 = -1(16 + 4) = -1(20) = -20
Hope that helped :)
0.997799
sin(190)=0.997799
