tyreljerry1 tyreljerry1
  • 21-07-2016
  • Mathematics
contestada

what do i do if i have a problem like this

x exponent 5 = 1024 and (-1/7) exponent -x = -1/343

Respuesta :

nobillionaireNobley
nobillionaireNobley nobillionaireNobley
  • 30-07-2016
x^5 = 1024 = 4^5
Therefore, x = 4.

Given, (-1/7)^-x = -1/343
(1/7)^-x = 1/343
(1/7)^-x = (1/7)^3
-x = 3
x = -3
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