Question

Determine o valor dos radicais:

a) $4^{0,5}$


b) $9^\frac{3}{2}$


c) $16^\frac{4}{2}$

Answer 1

$a) 4^{0,5} = 4^{1/2} = \sqrt[2]{4^1} = 2 \\\\b) 9^{3/2} = \sqrt[2]{9^3} = \sqrt[2]{729} = 27 \\\\c) 16^{4/2} = \sqrt[2]{16^4} = \sqrt[2]{256} = 16$