Potęga o wykładniku całkowitym ujemnym
Oblicz:
(2,5)do potęgi -1
(-0,1)do potęgi -5
(-0,02)do potęgi -4
(2,5)-¹ =1/(2.5)¹=1: ⁵/₂ =1 ·⅖ =⅖ =2/5 (-0,1)-⁵ =1/(-0,1)⁵ =1: (-0,00001)=-100 000 (-0,02)-⁴ =1/(-0,02)⁴ =1: 0,00000016=6 250 000
a) (2,5)= (2,5) do potęgi 1
b) (-0,1) x (-0,1) x (-0,1) x (-0,1) x (-0,1) = (0,1) do potęgi 5
c) (-0,02) x (-0,02) x (-0,02) x (-0,02) =(-0,02) do potęgi 4
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(2,5)-¹ =1/(2.5)¹=1: ⁵/₂ =1 ·⅖ =⅖ =2/5 (-0,1)-⁵ =1/(-0,1)⁵ =1: (-0,00001)=-100 000 (-0,02)-⁴ =1/(-0,02)⁴ =1: 0,00000016=6 250 000
a) (2,5)= (2,5) do potęgi 1
b) (-0,1) x (-0,1) x (-0,1) x (-0,1) x (-0,1) = (0,1) do potęgi 5
c) (-0,02) x (-0,02) x (-0,02) x (-0,02) =(-0,02) do potęgi 4