Question

Sabendo que x=0,5 ÷ 0,02 e y=0,002 ÷ 0,5 calcule o valor de xy

Answer 1

x=0,5 ÷ 0,02=(1/2) / (2/100)  = (1/2) * (100/2)=100/4 =25

y=0,002 ÷ 0,5 =(2/1000) / (1/2)  =(2/1000) * (2/1) =4/1000

x * y =25 * 4/1000= 100/1000 =1/10 =0,1