Answer:

![\rule[225]{225}{2}](https://img.qammunity.org/2021/formulas/chemistry/middle-school/ri1osubq0ul0fyszs3s2hvchlv85n22xxb.png)
Explanation:
7.
The Commutative Property of Addition changes the order of the numbers but does not affect the sum.
8.
We will convert the values into decimals for simplicity.



Arranging from least to greatest:

9.
2 + ( -8 )
2 is on the number line.
When -8 is added to 2, the value decreases, and it moves 8 units to the left side.
The result is -6.
(image)
10.
The two subsets of real numbers are rational and irrational numbers.
is an irrational number.
11.



![\rule[225]{225}{2}](https://img.qammunity.org/2021/formulas/chemistry/middle-school/ri1osubq0ul0fyszs3s2hvchlv85n22xxb.png)