a) 343 = $7^{3}$;
b) 0.36 = $0.6^{2}$ = $(-0.6)^{2}$;
c) $\frac{-8}{27}$ = $(\frac{-2}{3})^{3}$;
d) 1.44 = $1.2^{2}$ = $(-1.2)^{2}$.
a) 343 = $7^{3}$;
b) 0.36 = $0.6^{2}$ = $(-0.6)^{2}$;
c) $\frac{-8}{27}$ = $(\frac{-2}{3})^{3}$;
d) 1.44 = $1.2^{2}$ = $(-1.2)^{2}$.