Answered

decompose puis donne l'ecriture decimale  en calculant a la main
7²  , 1,2², 2^4,(-6)^3 , (-3)^4

Sagot :

WINNER123
Bonsoir

7² = 7 x 7 = 49
1,2² = 1.2 x 1.2 = 1.44
2^4 = 2 x 2 x 2 x 2 = 16
(-6)^3  = -6 x -6 x -6 = - 216
 (-3)^4  = -3 x-3 x -3 x -3 = 81