Question

O valor de [4^7.4^10.4] : (4^5)^7 é?

Answer 1

$\frac{4^7 \cdot 4^{10} \cdot4}{(4^5)^7}= \frac{4^{7+10+1}}{4^{5 \cdot 7}}= \frac{4^{18}}{4^{35}} =4^{18-35}=4^{-17}$