Question

30,290,447 write in expanded form

Answer 1

30,000,000 + 200,000 + 90,000 + 400 + 40 + 7

Answer 2

You add up all of the numbers individually so your first set would be 30,000,000 your next set would be 200,000 and so on and so fourth. You are basically breaking it down into its own place values.