Question

Mme ajudem por favor​

Answer 1

Resposta:

$81^\frac{1}{2}\\\\\left(9^2\right)^{\frac{1}{2}}\\\\9^{2\cdot \frac{1}{2}}\\\\9^1\\\\=9$

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$4^\frac{3}{2}\\\\\left(2^2\right)^{\frac{3}{2}}\\\\\\2^{2\cdot \frac{3}{2}}\\\\2^3\\\\8$

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$25^\frac{1}{2}\\\\\left(5^2\right)^{\frac{1}{2}}\\\\5^{2\cdot \frac{1}{2}}\\\\5^1\\\\5$