Bonjour,
Règle: 1 / a = [tex]a^{-1}[/tex]
Je note "a^n" a à la puissance n
a. 10^8 / 10^4 = 10^(8-4) = 10^4
b. 10^5 / 10^-4 = 10^(5-(-4) = 10^5+4 = 10^9
c. 10^-7 / 10^-2 = 10^(-7-(-2) = 10^-7+2 = 10^-5
d. 10^-3 / 10^9 = 10^(-3-9) = 10^-12
e. 10 / 10^-2 = 10^(1+2) = 10^3
f. 10^3 / 10^3 = 1
g. 10^-3 / 10^3 = 10^-3-3 = 10^-6
h. 10^-5 / 10^-3 = 10^-5+3 = 10^-2
