Question

Qual a expressão de 8^6/6^8

Answer 1

$\dfrac{8^6}{6^8}=\dfrac{(2^3)^6}{(2\cdot3)^8}=\dfrac{2^{18}}{2^8\cdot3^8}=\dfrac{2^{10}}{3^{8}}=2^2\cdot\left(\dfrac23\right)^8=4\cdot\dfrac{256}{6561}=\dfrac{1024}{6561}\approx0.1561$