Answer
6
Work Step by Step
Using the commutative property, we can switch the letters around in any order. Putting A first, there are two ways to write it. Putting B first, there are two ways. Lastly, putting C first, again there are two ways. That gives us a total of 6 different ways, shown in the work section.
a+b+c
a+c+b
b+a+c
b+c+a
c+a+b
c+b+a
