Question

determine o valor de 3 dividido raiz quadrada de 16 mais 2 dividido raiz quadrada 441

Answer 1

3÷$\sqrt{16}$ + 2÷$\sqrt{441}$
3÷4+2÷21=
0,75+0,09
=0,84

Answer 2

$\frac{3}{ \sqrt{16} } + \frac{2}{441} = \frac{3}{4} + \frac{2}{21} \ \ \ \ \ \ \ mmc\ de\ 4\ e\ 21\ =\ 84\\\\\\ \frac{84:4.3+84:21.2}{84} = \frac{21.3+4.2}{84} = \frac{63+8}{84} =\boxed{\boxed{ \frac{71}{84} }}\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ ok$