Réponse :
Bonsoir
Explications étape par étape :
49)
A) 5^-4 = 1/5^4 = 1/625
B) 10^-8 = 1/10^8 = 1/100 000 000
C) 3^-1 = 1/3^1 = 1/3
D) (-2)^-3 = 1/(-2)^3 = -1/8
50)
A) 1/36 = 6^-2
B) 1/10 000 = 10^-4
C) 1/2^5 = 2^-5
D) 0.01 = 10^-2
E) 1/3^2 = 3^-2
F) 1/10^6 = 10^-6