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Simplificar.

[tex]
\left(-4 y^{-4} z^3\right)^2
[/tex]

Escribir la respuesta utilizando sólo exponentes positivos.

[tex]\square[/tex]


Sagot :

Para simplificar la expresión
[tex]\[ \left(-4 \, y^{-4} \, z^3\right)^2 \][/tex]
seguiremos estos pasos:

1. Distribuir el exponente a cada factor dentro del paréntesis:

[tex]\[ \left(-4 \right)^2 \cdot \left(y^{-4} \right)^2 \cdot \left(z^3 \right)^2 \][/tex]

2. Calcular cada término por separado:

- El coeficiente numérico:
[tex]\[ \left(-4\right)^2 = 16 \][/tex]

- La variable [tex]\(y\)[/tex] con exponente negativo:
[tex]\[ \left(y^{-4}\right)^2 = y^{-4 \cdot 2} = y^{-8} \][/tex]

- La variable [tex]\(z\)[/tex]:
[tex]\[ \left(z^3\right)^2 = z^{3 \cdot 2} = z^6 \][/tex]

3. Combinar todos los términos:

[tex]\[ 16 \cdot y^{-8} \cdot z^6 \][/tex]

4. Reescribir la expresión con exponentes positivos:

Para convertir [tex]\(y^{-8}\)[/tex] a un exponente positivo, utilizamos la propiedad de los exponentes (a^{-n} = \frac{1}{a^n}):

[tex]\[ y^{-8} = \frac{1}{y^8} \][/tex]

Así que la expresión completa se convierte en:

[tex]\[ 16 \cdot \frac{z^6}{y^8} \][/tex]

Finalmente, la expresión simplificada con exponentes positivos es:

[tex]\[ \boxed{\frac{16 \, z^6}{y^8}} \][/tex]
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