Respuesta :
Answer:
0.9
Step-by-step explanation:
when looking at less than problems the main thing to look for are negatives and decimals. in this case there are only decimals. then look to see if there are whole numbers involved and in this case there are.
1.56>0.9
1.56<1.57
1.56<1.65
1.56<1.66
The answer is A because 0.9 is not even a whole number when all the rest are leaving it to be less than all the other numbers.