Answer:
2.5 is closer to 0
Step-by-step explanation:
when using 2.5 you have to round down and if you round down you get 0 not 5.
The one in the top left is a rational number because 6/4 *6/4 is 36/16
Assuming that the integers can be repeated
40-25+4+4+4+4+4-1