Answers

11¹⁰ = (10+1)¹⁰
= C¹⁰₁₀·10¹⁰ + C¹⁰₉·10⁹ + ⋯ + C¹⁰₃·10³ + C¹⁰₂·10² + C¹⁰₁·10 + C¹⁰₀·1
= 1000 (10⁷C¹⁰₁₀ + ⋯ + C¹⁰₃) + 100C¹⁰₂ + 10C¹⁰₁ + C¹⁰₀
= 1000 (10⁷C¹⁰₁₀ + ⋯ + C¹⁰₃) + 100·45 + 10·10 + 1
= 1000 (10⁷C¹⁰₁₀ + ⋯ + C¹⁰₃ + 4) + 601

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