Puissances

Base positive ou négative, exposant entier positif

(Base +)^Exp+ (+)

(+3)⁴ = (+3) x (+3) x (+3) x (+3) = +81

(Base -)^{Exp+ pair} (+)

(-5)² = (-5) x (-5) = +25

(Base -)^{Exp+ impair} (-)

(-4)³ = (-4) x (-4) x (-4) = -64

NB :
(Base)¹ = Base
(Base)⁰ = +1
0^Exp+ = 0
0⁰ n'a pas de sens