Sagot :
Réponse :
4000=4×10³
67000000=6,7×10⁷
720000=7,2×10⁵
810000000000=8,1×10¹¹
A)4000 = 4 x 10 ³
B)720 000 = 7.2 x 10 ⁵
C)67 000 000 = 6.7 x 10 ⁷
D) 810 000 000 000 = 8.1 x 10 ¹¹
A)4000 = 4 x 10 ³
B)720 000 = 7.2 x 10 ⁵
C)67 000 000 = 6.7 x 10 ⁷
D) 810 000 000 000 = 8.1 x 10 ¹¹