Question

por favor, me ajudem.

Answer 1

Simples, passo a passo!

$27 ^{3} *9 ^{2} = (3 ^{3} ) ^{3} *(3 ^{2}) ^{2} =3 ^{9} *3 ^{4} =3 ^{13} \\ \\ \\ 8 ^{2} *16 ^{2} =(2^3) ^{2} *(2 ^{4} ) ^{2} =2 ^{6} *2 ^{8} =2 ^{14} \\ \\ \\ 125 ^{3} =(5 ^{3} ) ^{3} =5 ^{9}$

Espero ter ajudado, valeu! ^^