Réponse:

Bonsoir

A = 3^4 x 5^3

A = 81 x 125

A = 10 125

B = (-2)^3 x 6^2

B = -8 x 36

B = - 288

C = 4^3 / 7^2

C = 64 / 49 = 1,306

D = (-1)^8 / 5^3

D = 1 / 125 = 0,008