Question

Resolva as expressões

Answer 1

a)  (-3/4m³n^9)^4 = 81/256m^12n^36          ^ = potência
  
b) (-1/4a^2b^4)^4 / (2a^4b^2)^2=

(-1/4a^2b^4)^4 
 ------------------- =
 (2a^4b^2)^2

(1/256a^8b^16)
 --------------------- =
         4a^8b^4

1/256b^4
 -------------- =
         4  
1/256b^4 x 1/4 = 1/1024b^4