Oblicz n jeśli (-2/5) do potęgi n=-15,625
(-2/5)^n = -15,625
(-2/5)^n = -15625/1000
(-2/5)^n = -125/8
(-5/2)^-n = (-5/2)^3
-n = 3
n = -3
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(-2/5)^n = -15,625
(-2/5)^n = -15625/1000
(-2/5)^n = -125/8
(-5/2)^-n = (-5/2)^3
-n = 3
n = -3
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