Final answer:
The expanded form of 4.25 is expressed as the sum of its place values: 4 (ones) + 0.2 (tenths) + 0.05 (hundredths).
Step-by-step explanation:
The number 4.25 in expanded form can be expressed as the sum of its place values. For example, the digit '4' is in the ones place, '2' is in the tenths place, and '5' is in the hundredths place. Therefore, the expanded form of 4.25 is 4 + 0.2 + 0.05.