a. $(3,147)^{3}\approx 31,167$
b. $(-23,457)^{5}\approx -7101700,278$
c. $\left ( \frac{4}{-5} \right )^{4}=\frac{256}{625}$
d. $(0,12)^{2}.\left ( \frac{-13}{28} \right )^{5}\approx -3,107.10^{-4}$
a. $(3,147)^{3}\approx 31,167$
b. $(-23,457)^{5}\approx -7101700,278$
c. $\left ( \frac{4}{-5} \right )^{4}=\frac{256}{625}$
d. $(0,12)^{2}.\left ( \frac{-13}{28} \right )^{5}\approx -3,107.10^{-4}$