Provide 3 statements that demonstrate the importance of units when describing motion.

Here are the statements that demonstrate the importance of units when describing motion.
1.uniti m/s indicate it is in SI unit
2.It gives the distance covered by the object in unit time
3.Unit indicates that it velocity not other unit
4.In a problem if other units are other than SI unit you can convert it
5.For comparison purpose you should know the unit unless you can't or it may be wrong

Ibelieve your answer is b.hope this : )