Question

o valor de (30℅)2 + (60℅)2 esse 2 e elevado ae quadrado urgente ajudem ae pf. A 45% b 50℅ c55% d 60% e 65% alternativas

Answer 1

(30%)² + (60%)²
$( \frac{9\not0\not0}{10.0\not0\not0} ) +( \frac{36\not0\not0}{10.0\not0\not0} ) = \frac{45}{100}$
$\frac{45}{100} =$  45%