Réponse:
a) 1/25
b) 1/9
c) 1/64
d) 1
e) -1/8
f) 1
g) 1/27
h) 1/10
bonjour
a⁻ⁿ = 1/aⁿ
a) 5⁻² = 1/5² = 1/25
b) 3⁻² = 1/3² = 1/9
c) 4⁻³ = 1/4³ = 1/64
d) 1⁻⁷ = 1/1⁷ = 1/1 = 1
e) (-2)⁻³ = 1/ (-2)³ = 1(-8) = -1/8
f) (-1)⁻⁴ = 1/(-1)⁴ = 1/1 = 1
g) (-3)⁻³ = 1/(-3)³ = 1/(-27) = -1/27
h) 10⁻¹ = 1/10¹ = 1/10
