A. - 2 ( - 2) ( - 2) = ( - 2)³ = - 8
base : - 2
exponente : 3
b.
- 5 ( - 5) ( - 5) ( - 5) ( - 5) = <img src="https://tex.z-dn.net/?f=%20%28-5%29%5E%7B5%7D%20" /> = - 3125
base : - 5
exponente : 5
2.
- indica el signo de estas potencias
<img src="https://tex.z-dn.net/?f=%28%20-4%29%5E7%3D%28-4%29%28-4%29%28-4%29%28-4%29%28-4%29%28-4%29%28-4%29%3D-16384%20%5C%5C%20%0Asigno%3A%20negativo%20%28%20-%20%29" />
<img src="https://tex.z-dn.net/?f=%28-2%29%5E%7B12%7D%3D%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%28-2%29%3D4090%20%5C%5C%20signo%3A%20positivo%20%28%2B%29" />
<img src="https://tex.z-dn.net/?f=6%5E%7B5%7D%20%3D%286%29%286%29%286%29%286%29%286%29%3D7776%20%5C%5C%20signo%3A%20positivo%20%28%2B%29" />
<img src="https://tex.z-dn.net/?f=%20%28-7%29%5E%7B21%7D%3D%28-7%29%28-7%29.....%28-7%29%28-7%29%3D-558545864083284007%20%5C%5Csigno%3A%20negativo%20%28-%29" />
Aquí mutiplicas ( - 7) por ( - 7), 21 veces.
<img src="https://tex.z-dn.net/?f=%20%28-4%29%5E%7B32%7D%3D%28-4%29%28-4%29.....%28-4%29%28-4%29%3D18446744073709551616%20%20%5C%5C%20singo%3A%20positivo%20%28%2B%29" />
Aquí multiplicas ( - 4) por ( - 4), 32 veces.
- Espero me hayas entendido, saludos!