Question

27 la puterea 3 ori (3 la puterea 5) totul la 10 : ( 3 la puterea 21) totul la puterea 3

Answer 1

$27^3*(3^5)^{10}:(3^{21})^3=(3^3)^3*3^{50}:3^{63}=3^{59}:3^{63}=3^{-4}=\frac{1}{3^4}=\frac{1}{81}$