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Sagot :

VINS

Réponse :

bonjour

A = 7 ⁶ / 7 ⁴ = 7 ²

B = - 2 ¹³/ 2 ⁵ = -  2 ⁸

C = 5 ⁶ / 5 ⁻³ = 5 ⁹

Explications étape par étape :

LOULAKAR

Bonsoir


C’est de la forme :

a^b/a^n = a^(b-n)


A = 7^6/7^4

A = 7^(6-4)

A = 7^2


B = -2^13/2^5

B = -2^(13-5)

B = -2^8


C = 5^6/5^(-3)

C = 5^(6+3)

C = 5^9

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