Respuesta :

azhin

Answer:

(7^-2.5)

=7^-10

=1/7^10

SweetTea16

Answer:

1/282475249

Step-by-step explanation:

(7^-2)^5

Use Negative Power Rule: x^-a = 1/x^a

(1/7^2)^5

(1/49)^5

Use Division Distributive Property: (x/y)^a =x^a/y^a

1/(49^2)

1/282475249

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