Question

Помогите решить пример ( подробно):
$8^{4} * 9^5 : 12^6=$

Answer 1

$8^4*9^5:12^6=(4^4*2^4)*3^{5*2}:(4^6*3^6)=4^4*4^2*3^{10}:4^6:3^6 = \ \ =4^{4+2-6}*3^{10-6}= 4^0*3^4 = 1*81 = 81$