Question

quais sao a resposta da 46 e da 47 e 48 porfavor

Answer 1

46 =2
47 =27 elevado a 1

Answer 2

46. $(- \frac{2}{3} )^{4} = \frac{16}{81}$


47. $x^{3}=- \frac{1}{27}$
$x^{3} =(- \frac{1}{3} )^{3}$
$x=- \frac{1}{3}$

48. $3. (- \frac{2}{5} )^{2} =3. \frac{4}{25} = \frac{12}{25}$