Question

gente ajudem! é urgente por favor!

Answer 1

$a) \\ \frac{8}{5} . \frac{3}{4} = \frac{2}{5} . \frac{3}{1} = \frac{6}{5}$

$b) \\ \frac{2}{3} : \frac{4}{5} = \frac{2}{3} . \frac{5}{4} = \frac{1}{3} . \frac{5}{2} = \frac{5}{6}$

$c) \\ (\frac{1}{2}) ^{2} = \frac{1^2}{2^2} = \frac{1}{4}$

$d) \\ \sqrt{ \frac{100}{36} } = \frac{ \sqrt{100} }{ \sqrt{36} } = \frac{ \sqrt{10^2} }{ \sqrt{6^2} } = \frac{10}{6} = \frac{5}{3}$