zad3 a)[latex] (frac{5}{3})^-2=( frac{3}{5})^2= frac{9}{25} [/latex] b)([latex] frac{1}{44})^-1=44^1=44 [/latex] c)([latex] -frac{2}{5})^-3=(- frac{5}{2})^3=-125/8=-15 5/8 d)([latex]- frac{2}{3})^-4=( -frac{3}{2})^4= frac{81}{16}=5 frac{1}{16} [/latex] e)0,6⁻²=(6/10)⁻²=(10/6)²=100/36=2 28/36=2 7/9 f)0,03⁻³=(100/3)³=1000000/27=37037 1/27 g)(1,3)⁻²=(13/10)⁻²=(10/13)²=100/169 h)(-0,1)⁻⁴=(-1/10)⁻⁴=(-10/1)⁴=10000 i)(1 2/7)⁻²=(9/7)⁻²=(7/9)²=49/81 j)(1 2/3)⁻³=(5/3)⁻³=(3/5)³=27/125
a).(5/3)⁻²=(3/5)²=9/25 b).(1/44)⁻¹=44¹=44 c).(-2/5)⁻³=(-5/2)³= -125/8= -15 i 5/8 d).(-2/3)⁻⁴=(-3/2)⁴=81/16=5 i 1/16 e).0,6⁻²=(6/10)⁻²=(3/5)⁻²=(5/3)²=25/9=2 i 7/9 f).0,03⁻³=(3/100)⁻³=(100/3)³=1000 000/27=37037 i 1/27 g).(-1,3)⁻²=(-1 i 3/10)⁻²=(-13/10)⁻²=(-10/13)²=100/169 h).(-0,1)⁻⁴=(-1/10)⁻⁴= -10⁴=10 000 i).(1 i 2/7)⁻²=(9/7)⁻²=(7/9)²=49/81 j).(1 i 2/3)⁻³=(5/3)⁻³=(3/5)³=27/125