Răspuns:
a)2×2×2= -8
b)10×10×10×10= -10000
c)7×7= -49
e)(-2/5)= 2/5×2/5= -4/25
f)radical din 3 este 1,732...( numar irational) deci,1/1,732×1,732×1,732×1,732= - 8,998...(tot un numar iratoinal)
g)introducem intregii in fractii 5/3=5/3×5/3= -25/9
sper sa iti fie de ajutor!