Question

1. add: (+13.8) + (-10.6)

Explanation:

Step1: Understand the operation

Adding a positive and a negative number is equivalent to subtracting the absolute value of the negative number from the positive number. So, \((+13.8)+(-10.6)\) can be rewritten as \(13.8 - 10.6\).

Step2: Perform the subtraction

Subtract \(10.6\) from \(13.8\): \(13.8 - 10.6 = 3.2\).

Answer:

\(3.2\)