\(a,=\left(-\dfrac{1}{3}\right)^3=-\dfrac{1}{27}\\ b,=\left(-2\right)^6=2^6=64\\ c,=5^6:5^2=5^4=625\)
\(a,\left(-\dfrac{1}{3}\right)^2.\left(-\dfrac{1}{3}\right)=-\dfrac{1}{3}\)
\(b,\left(-2\right)^2.\left(-2\right)^4=\left(-2\right)^6\)
\(c,25^3:5^2=5^6:5^2=5^3\)
a.(-1/3)^2.(-1/3)=(-1/3)^3
b.(-2)^2.(-2)^4=(-2)^6
c.25^3:5^2=5^6:5^2=5^4
ht