Question

resolva as multiplicação de numeros racionais A)3.(-2/5)=
B)(-5/7). (7/4)=
C)2,3 . 3/5=
D)3,25 . 0,3=

Answer 1

A) 3(-2/5) = -6/5

B) (-5/7).(7/4) = -35/28 = -5/4

C) 2,3 . 3/5 = 6,9/5

D) 3,25 . 0,3 = 0,975