Potencias de números enteros 1

Ejercicio nº 7

7 Realizar las siguientes operaciones con potencias:

Soluciones:

1 (−2)2 · (−2)3 · (−2)4 = (−2)9 = −512

2 (−8) · (−2)2 · (−2)0 · (−2) = (−2)3 · (−2)2 · (−2)0 · (−2) = (−2)6 = 64

3 (−2)−2 · (−2)3 · (−2)4 = (−2)5 = −32

4 2−2 · 2−3 · 24 = 2−1 = 1/2

5 22 : 23 = 2−1 = 1/2

6 2−2 : 23 = 2−5 = (1/2)5 = 1/32

7 22 : 2−3 = 25 = 32

8 2−2 : 2−3 = 2

9 [( −2 )− 2] 3 · (−2)3 · (−2)4 = (−2)−6 · (−2)3 · (−2)4 = −2

10 [(−2) 6 : (−2)3] 3 · (−2) · (−2)−4 = [(−2)3] 3 · (−2) · (−2)−4 = (−2)9 · (−2) · (−2)−4 = (−2)6 = 64