What is 90523 written in expanded form?

The number 90523 in expanded form is written as 90000 + 5000 + 200 + 20 + 3. This representation breaks down the number into its place values: 90,000 for the ten-thousands place, 5,000 for the thousands place, 200 for the hundreds place, 20 for the tens place, and 3 for the units place.