1)a)(5/3)×(5/3)×(5/3)×(5/3)=(5/3)^4
b)(2/7)×(2/7)×(2/7)=(2/7)^3
c)(1/3)×(1/3)×(1/3)×(1/3)×(1/3)×(1/3)=(1/3)^6
^la puterea
2)a)(-7/9)^2=49/81
b)(4/-5)^3=64/-125
c)(-329/407)^0=-329/407
d)(-1/3)^2×(-1/3)^3=1/9×(-1//27)=se simplifica -27 cu 9 și rămâne -1/3
e)(-2/9)^9:(-2/9)^7=(-512/387420489):(-128/4782969)=împărțit se transforma în ×
(-512/387420489)÷(4782969/128)=(-4/81)
f)[(-1/2)^2]^3=(1/4)^3=3/64
