Question

4.7 - 2.3 = 4.7 + (-2.3)

Answer 1

Remember that when multiplying signs:

If both are the same, you get a +

If the're different, you get a -

Thereby,

$\begin{gathered} 4.7+(-2.3)\rightarrow4.7-2.3 \\ \text{and} \\ 4.7-2.3=4.7+(-2.3)\text{ } \\ is\text{ True} \end{gathered}$