What is the expanded form for 4.3

The expanded form of a number shows the value of each digit. Meaning you must separate each digit by its placement.

4 is in the ones, therefore it just remains as 4

.3 is in the tenths, and therefore turns into 0.3

Now combine the two terms. The expression would be the answer:

4 + 0.3

4.3 you can't expand a number, only an equation