Question

Calcule o valor de cada expressao dada a seguir A) (2^2.3^-2)2B)(2^2/3^-2)2C) (2^2+3^-2)-1

Answer 1

Oi Tsaray

a) (2^2*3^-2)^2 = (4/9)^2 = 16/81 

b) (2^2/3^-2)^2 = (4*9)^2 = 36^2 = 1296 

c) (2^2 + 3^-2) - 1 = 4 + 1/9 - 1 = 3 + 1/9 = 28/9

.