-9.5
The prime number between 8 and 13 is 11.
uh..............10..........
11
8
11
The range of the numbers (the difference between the highest and lowest number) is equal to 11 - 8 = 3.
(8 - x) - 11
11 13 17 19.
The numbers between 8 and 11 are 9 and 10. These numbers fall between 8 and 11 on the number line and are considered consecutive integers. In mathematical terms, they are part of the set {9, 10}.
Bla kaung mag research!
There are an infinite number of them; one example is 11/16.
Oh, dude, that's an easy one. The number between 8 and 15 is 9. I mean, it's like right there, just hanging out in the middle, not causing any trouble. So, yeah, 9 is the lucky winner of the "I'm sandwiched between 8 and 15" award.