1) (9*2^-4)*(6*5^-5)=9*2^-4*6*5^-5=9*1/2⁴*6*1/5^5=9*1/16*6*1/5^5=9*⅛*3*1/5^5=27/(8*5^5)=27/(8*3125)=27/25000=0,00108 ;
2) 8^5,5/2^7,5=2^(16,5)/2^(7,5)=2^9=512 .
