I need HELP I HAVE A TEST ON THURSDAY AND I DONT EVEN I UNDERSTAND A THING so I need help ASAP

Answer:
Step-by-step explanation:
for the last problem 5-16 are the same go to the hundredths the second decimal from the point and if higher than 5 raise the number by +1 if 4 or lower keep it the same
5/ since 9 is greater than 5 raise the 0 to a 1
1. 0.437
2. 0.4
3. 0.482
4. 0.5
5. 2.1
6. 7
7. 9.7
8. 6.8
9. 7.6
10. 2.9
11. 1.9
12. 6.6
13. 0.4
14. 2.5
15. 0.5
16. 0.8
if the number is less than 5, the number to the left stays the same
if the number is more than or is 5, the number to the left has 1 added to it
hope this helps. :P