Hey!
We could rewrite the problem as:

Since we have a negative number, we could rewrite the fraction like this.

Let's simplify it...

Our answer would be:

Thanks!
-TetraFish
Is 1500 ml greater than less than or equal to 1.5 l is equal.
Samples versus population
a population is a composed of the entire group of people that could possibly be included in your study
population Generalization
the main purpose sampling quantitative research so that researchers so that generalize about the population and that means it is conducted
The answer to your question is -2.5
I got my answer because R is in the middle of -3 and -2 and -2.5 is in the middle of both of the numbers.
Hope I helped :D