Respuesta :

sqdancefan

9514 1404 393

Answer:

  -243

Step-by-step explanation:

Evaluate and compare forms.

  -3^-5 = 1/x

  -1/243 = 1/x

  1/(-243) = 1/x

  x = -243

__

The applicable rule of exponents is ...

  a^-b = 1/a^b

tntdynamiite

Answer: A

Step-by-step explanation: