Question

subtract.
4 - -3.1 =

Explanation:

Step1: Recall subtraction of negative numbers

Subtracting a negative number is equivalent to adding its positive counterpart. So, \(4 - (-3.1)\) becomes \(4 + 3.1\).

Step2: Perform the addition

\(4 + 3.1 = 7.1\)

Answer:

\(7.1\)