Question

sendo A=$2^{7}$ $3^{8}$ 7 e B= $2^{5}$ $3^{6}$, o quociente de A por B é:
a) 252 d)48
b)36 e)42
c)126

Answer 1

$\frac{ {2}^{7} \times {3}^{8} \times 7}{ {2}^{5} \times {3}^{6} } \\ \\ = {2}^{(7 - 5)} \times {3}^{(8 - 6)} \times 7 \\ \\ = {2}^{2} \times {3}^{2} \times 7 \\ \\ = 4 \times 9 \times 7 \\ \\ = 252$

resposta Letra A