Question

calcule:
a) (5,1)^-2
b) (-0,25)^-3
c) (-2,6)^-2
d) (4,15)^-1

Answer 1

a)(5,1)^-2 = (1/5,1)² = 1/26,01 = 0,03845
b)(-0,25)^-3 = (- 1/0,25)³ = (-1/0,25) . (-1/0,25) =  - 1/0,015625
c)(-2,6)^-2 = (-1/2,6)² = -1/6,76
d)(4,15)^-1 = ( 1/4,15)^1 = 1/4,15