Sagot :
Answer:
1. D. ₱6,400
2. A. ₱4095
Step-by-step explanation:
1.
aₙ= a₁ • rⁿ⁻¹
a₁ = 50
r = 2
n = 8
a₈ = 50 • 2⁸⁻¹
= 50 • 128
a₈ = 6400
2.
Sₙ = a(1 - rⁿ) / 1 - r
a = 1
r = 2
n = 12
S₁₂ = 1(1 - 2¹²) / 1 - 2
= (1 - 4096) / -1
= -4095/-1
S₁₂ = 4095