Expanded notation 576.4

Expanded notation is a way of representing a number by breaking it down into its individual place values. For the number 576.4, the expanded notation would be 500 + 70 + 6 + 0.4. This shows that the number is composed of 500 in the hundreds place, 70 in the tens place, 6 in the ones place, and 0.4 in the tenths place.