Respuesta :

Answer:

: 7-⁴

Step-by-step explanation:

Exponential Form :

(a^m*a^n ) = (a^m+n )

7^-6 = 7^-2 * x

(only 7^-4 the term that can add to 7^-2 gives

= 7^-6 )

7^-6 = 7^-2 + 7^-4

( a^m*a^n) = ( a^m+n)

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