Mathematics
Senior High
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数B 数列
この問題の最後の部分で、
なぜ 1/16×2^(n-1)=2^(n-5)
になるのか分かりません💦
どなたか教えてください!

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✨ Best Answer ✨

(1/16)2ⁿ⁻¹=(2⁻⁴)2ⁿ⁻¹=2ⁿ⁻¹⁻⁴=2ⁿ⁻⁵

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