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MathNet 2026 — Part 01 Question 67

Math Olympiad Vault · MathNet 2026 — Part 01

Question 67

Reason Sum $\frac{1}{2}$ - If $S_{n}=\frac{1}{2}+\frac{1}{2^{2}}+\cdots+\frac{1}{2^{n}}$, what is the smallest positive integer $n$ such that $S_{n}\gt 0,99$ ?