bonsoir
Écrire chaque expression sous la forme a^n :
10^6 x 10^4 = 10^(6+4) = 10^10
3^2 x 3^5 = 3^(2+5) = 3^7
(-2)^5 x (-2)^3 = (-2)^(5+3) = (-2)^8 = 2^8
(7/5)^3 x 7/5 = (7/5)^(3+1) = (7/5)^4
1,8^7 x 1,8^10 = 1,8^(7+10) = 1,8^17
(2/3)^3 x (2/3)^5 = (2/3)^(3+5) = (2/3)^8
