Question

potencia de expoente racional calcule?
     A) \sqrt[4]{256} . \sqrt[]{25-16}=                          B) \sqrt[3]{1+} \sqrt{49} =

Answer 1

$\sqrt[4]{256} . \sqrt[]{25-16}= 4 \sqrt{9} = 4x3= 12 B) \sqrt[3]{1+} \sqrt{49} = 1x7 = 7$