Question

Preciso pra amanhã,urgente!!

Answer 1

1-a) 7/2= 3,5
b)-(13/5)=-2,6
c)72/10=7,2

2-a) 0,9=9/10

b)10,24=1024/100
1024:4=256
100:4=25
256/25

c)-0,75=-75/100
75:25=3
100:25=4
3/4

d)0,25=25/100
25:25=1
100:25=4
1/4