Question

Calculati a) (-0,3)³=... b) 2 la puterea -5=... c) (-5) la puterea -2=... d) (-0,2) la puterea -2=... e) (-1 intreg si 1/4) la puterea -3 f) -1/2 + 5/8 g)-4/3 ÷ (-2 intregi si 2/3)

Answer 1

a) (-3/10)^3=27/-1000
b) 1/2^5=1/32
c) 1/5^2=1/25
d) (-1/5)^-2=5^2=25
e) (-3/2)^-3=-8/27
f) (-4+5)/8=1/8
g) -4/3 : (-8/3)=(4/3) * (3/8) =1/2