Question

12.39- (2.5• 3.9) what is the value of the expression? how do I solve this? what's the answer ?

Answer 1

We have the expression:

$\begin{gathered} 12.39-(2.5\cdot3.9) \\ 12.39-9.75 \\ \text{2}.64 \end{gathered}$

We start by solving the product first and then the substraction.

Answer: 2.64