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Potencias y Ecología (Nivel medio)

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Potencias y Ecología (Nivel medio)

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Quiz de potencias aplicado a ecosistemas

Created by

Sharik
Sharik
Ecuador

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Potencias y Ecología (Nivel medio)
 

Potencias y Ecología (Nivel medio)Online version

Quiz de potencias aplicado a ecosistemas

by Sharik
1

Para combatir el calentamiento global, una comunidad sembró 4^2 árboles. ¿Cuántos árboles sembró?

2

4. Un vivero cultiva 5^2 árboles para reforestar una zona afectada por el calor. ¿Cuántos árboles cultiva?

3

Una población inicial de 2 pasa a 10 veces cada generación. ¿cuántos tras 3 generaciones?

4

Si a^7 ÷ a^3, ¿a qué equivale?

5

Expresa a^(-5) ÷ a^2 en forma de a^k.

6

¿Qué pasa si divides a^9 entre a^9?

7

Si a^4 ÷ a^6, el resultado es:

8

Completa: a^k ÷ a^k = ?

9

¿Qué ocurre al dividir a^3 por a^5?

10

Si m>n, ¿a^(m) ÷ a^(n) = ?

11

¿Cómo se simplifica a^2 ÷ a^(-3)?

12

Expresa el resultado de a^7 ÷ a^2 de forma decimal:

13

Si divides a^(-4) entre a^(-6), ¿cuál es el exponente resultante?

Explicación

Cuando se dividen potencias de la misma base se restan exponentes: 7-3=4.

Resta los exponentes: -5-2 = -7.

Cualquier cantidad a^0 = 1, así que a^9/a^9 = a^0 = 1.

Restas exponentes: 4-6 = -2.

Cualquier base con exponentes iguales se cancela a^0.

Exponentes: 3-5 = -2.

Regla: exponentes se restan.

Restas n menos (-3): 2 - (-3) = 5.

Sustracción de exponentes: 7-2 = 5.

-4 - (-6) = 2.

 
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