Respuesta :
0.4= 4/10
Reciprocal of 4/10= 10/4
You can leave the answer here
But if you want to further simplify it then:
10/4= 5/2
Reciprocal of 4/10= 10/4
You can leave the answer here
But if you want to further simplify it then:
10/4= 5/2