a=7^11
b=10^-2
c=10^3
f=(2^-3×16)/8=(2^-3×2^4)/2^3=2^1-3=2-2
g=2^-3-(-5)=2^2
Bonjour,
a = 7² × 7⁵ × 7⁴ = 7²⁺⁵⁺⁴ = 7¹¹
b = 10⁵ × 10⁻⁷ = 10⁵⁻⁷ = 10⁻²
c = 10⁶/10³ = 10⁶⁻³ = 10³
f = (2⁻³ × 16)/8 = (2⁻³ × 2⁴)/2³ = 2¹⁻³ = 2⁻²
g = 2⁻³/2⁻⁵ = 2⁻³⁺⁵ = 2²
