Any number that you can completely write down on paper using digits ... and a fraction bar or decimal point if necessary ... is a rational number. If you add it to 0.5, then the sum is another rational number.
Answer:
1/4 or 0.25
Step-by-step explanation:
I did this on a graphic calculator so i can't really explain, but I hope this helps! :)
Answer:
Negative numbers are used in navigation and directions determination
