Question

como resolvo A= (3/4)².(-2)³+(-1/2)=

Answer 1

$A= (\frac{3}{4})^{2}. (-2)^{3}+ (-\frac{1}{2})$

$A= \frac{9}{16}.(-8)-\frac{1}{2}$

$A= \frac{-72}{16}-\frac{1}{2}$

$A= -\frac{72}{16}-\frac{8}{16}$

$A= -\frac{80}{16}$

$A=-5$