Respuesta :

Answer:

The solution is -1/343 or (-7)⁻³

Step-by-step explanation:

-7 × (-7)⁻⁴

-7 × 1/(-7)⁴

-7 × 1/2401

-7/2401 = -1/343 = (-7)³

Thus, The solution is -1/343 or (-7)⁻³

-TheUnknownScientist 72