Question

7) determine o valor da expressão e( 1/9+0,888) ³ + (5,7-7/9)​

Answer 1

Resposta:

$\left(\frac{1}{9+0.888}\right)^3+\left(\frac{5.7-7}{9}\right)=-0.14341\dots$

Explicação passo a passo:

$\mathrm{Remover\:os\:parênteses}:\quad \left(a\right)=a\\=\left(\frac{1}{9+0.888}\right)^3+\frac{5.7-7}{9}\\\\=\frac{1}{9.888^3}-\frac{1.3}{9}\\\\=0.00103\dots -0.14444\dots \\\\\mathrm{Subtrair:}\:0.00103\dots -0.14444\dots =-0.14341\dots \\=-0.14341\dots$