How do you write 10.205 in expanded form?

To write 10.205 in expanded form, you would break down the number by its place values. In this case, 10 is made up of 10 units, 0.2 is made up of 2 tenths, and 0.005 is made up of 5 thousandths. So, the expanded form of 10.205 would be 10 + 0.2 + 0.005.