Sum = a(1 − r^n)/(1 − r) = 3×(1 − 0.95^10)/(1 − 0.95) - AMAZONAWS Understanding the Geometric Series Formula: Sum = a(1 − rⁿ)/(1 − r) — With Real-World Application Using r = 0.95 and n = 10 📅 March 11, 2026 👤 scraface Mar 11, 2026