Question

determine o valor de y sabendo que y=27²/³ - 16¹/² - 4¹/²?​

Answer 1

Resposta:

$y=27^{\frac{2}{3} } -16^{\frac{1}{2} } -4\frac{1}{2} \\ \\ y=\sqrt[3]{27^{2} } -\sqrt[2]{16} -\sqrt[2]{4} \\ \\ (\sqrt[3]{27} .\sqrt[3]{27} )-4-2\\ \\ y=(3.3)-6\\ \\ y=9-6\\ \\ y=3$