Respuesta :

Answer:

9>0.9>0.7>-18/36

Step-by-step explanation:

the smallest would be -18/36.

now we have 9,9/10,28/40

simplify 9/10: 0.9

simplify 28/40: divide 28 and 40 by 4. you will have 7/10 which is equal to 0.7.

now the greatest number is 9,then 0.9 and then 0.7

if anything is unclear, ask freely.