Evaluate the expression when t = –6.4 and u = 2.8.
minus 2 t plus u
Question 4 options:
12.8
minus 12.8
15.6
minus 15.6
Plugging in the given values, the expression becomes:
-2(-6.4) + 2.8
Simplifying this expression, we first perform the multiplication:
12.8 + 2.8
Then, we add the two terms:
15.6
Therefore, the expression evaluates to 15.6. Answer: 15.6