Respuesta :

hamzaafzal012

Answer:

=7^(-10) or = 1 / 7^10

Step-by-step explanation:

7^(-7)*7^(-3)

Exponent rule : a^n ⋅ a^m = a^n+m

7^(-7)*7^(-3)

= 7^(-7-3)

=7^(-10)

= 1 / 7^10

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