Bonjour,
Exercice 30 :
a. 10^7 x 10^5/10^3 x 10^2 = 100000000000 = 10^11
b. 10^8 x 10^-2/10^4 x 10^-5 = 0.001 = 10^-3
c. 10^-1 x 10^9/10^4 x 10^-3 = 10
d. (10^3)^3/10^5 x 10^-3 = 10
e. (10^2)^6/10^-2 x 10^6 = 10^20
f. (10^5)^4/10^6 x 10^7 = 10^21
Voici mes reponses :)
Smeh