Question

calcule as potencias
a) (-5)^-2
b)(+3)^-4
C)(-2)^-5
d)(-5)^-3
e)(-1)^-4
f)(-1)^-5

Answer 1

( - 1/5)²  = 1/25 
( 1/3)^4  = 1/81
( - 1/2)^5 = - 1/32
(- 1/5)³  = - 1/125
(- 1/1)^4 =  1
(-1/1)^5  = -1