Question

ultilizando as propiedades de potencias, determine o valor da expressao :

2^{5}x3^{2}x2^{-1}:3^{9}

Answer 1

$(2^{5} .3^2. 2^{-1}): 3^{9} =(2^4.3^2):3^9= \frac{2^4}{3^9}.3^-^7=$

$\frac{2^4}{3^9} . \frac{1}{3^7} = \frac{2^4}{ 3^{16} }$