Toán Lớp 7: Tìm số nguyên dương n biết:
a,$32^{n}$ <$2^{n}$ <$128^{}$
b, 2.16 ≥ $2^{n}$ >4
c, 9.27 ≤ $3^{n}$ ≤ 243
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Toán Lớp 7: Tìm số nguyên dương n biết:
a,$32^{n}$ <$2^{n}$ <$128^{}$
b, 2.16 ≥ $2^{n}$ >4
c, 9.27 ≤ $3^{n}$ ≤ 243
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