Question

aplicar as potenciações me ajudem

Answer 1

Resposta:

A)$\frac{442}{15}$

B)18

C) 243

D)$\frac{22}{21}$

Explicação:

A)5$\frac{2}{3}$x 5$\frac{1}{3}$ -> $\frac{17}{3}$ x $\frac{26}{5}$ -> $\frac{442}{15}$

B)4$\frac{1}{2}$x4 -> $\frac{9}{2}$x4 -> 4x2 -> 18

C)$\frac{27x81}{3^{2} }$ -> $\frac{3^{3}x81}{3^{2} }$ -> cortar os 3 -> 3x81 ->243

D)$\frac{7\frac{1}{3} }{7}$-> $\frac{\frac{22}{3} }{7}$ -> $\frac{22}{21}$