potęgi:
dane są liczby: (1/2^-2 ,2^3 , (1/3)^-2,(0,1)^3
A(1/2)^-2
B 2-^3
c(-1/3)^-3
d(-0,1)^3
odpwiedz trzeba uzasadnić
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A/ (1/2)^-2 = -0.5 * -0.5 = 0.25 bo - + - = +
B/ 2^3 = 2*2*2 = 4*2 = 8
C/ (-1/3)^-3 = -(-1/3)*-(-1/3)*-(-1/3)=(1/3)*(1/3)*(1/3)=(1/9)*(1/3)=(1/27)
D/ (-0,1)^3 = (-0,1)*(-0,1)*(-0,1) = (0.01)*(-0.1) = (-0.001)