Réponse :
1) 100 = 10^2
100 000 = 10^5
1 000 000 = 10^6
0,01 = 10^-2
0,0001 = 10^-4
0,1 = 10^-1
10^3x10^-2x10^4 = 10^5
(10^4)^7 = 10^28
10^2/10^5 = 10^-3
10x10^2 = 10^3
(10x10)^-2 =10^-4
0,001^3 = 10^1
10^3x10^-4/10^5 = 10^4
2) 1kg = 10^-3g
1mm = 10^3m
10hm = 10^-4cm
1cl = 10^2L