Final answer:
The value of the expression 2.6 + 1.2 is A. 3.8.
Step-by-step explanation:
The value of an expression refers to the numerical result obtained when the expression is evaluated.
To determine the value of an expression, you need to substitute the given values for the variables and simplify the expression according to the given operations.
The expression 2.6 + 1.2 can be solved by simply adding the two numbers together.
It is important to remember that when adding decimal numbers, you align the decimal points and then perform the addition.
2.6 + 1.2 = 3.8
Therefore, the value of the expression 2.6 + 1.2 is 3.8.
So the correct answer is a) 3.8