Question

Calcule 64 1/2 b)4001/2 c) 82/3 d) (16/25)1/2

Answer 1

Resposta:

$a)~~64^{1\over2}=\sqrt{64} =8\\ \\ b)~~400^{1\over2}=\sqrt{400} =20\\ \\ c)~~~8^{2\over3}=\sqrt[3]{8^2} =\sqrt[3]{64} =\sqrt[3]{2^6} =2^2=4\\ \\ d)~~({16\over25})^{1\over2}=\sqrt{{16\over25}} ={4\over5}$