Question

Write this number in expanded form 4,408,730

Answer 1

Expanded form means writing out a number in words. So, in expanded form, 4,408,730 will be:

four million, four hundred eight thousand, seven hundred thirty

It helps to figure this out if you say the number out loud, and then simply write down what you said. 

Answer 2

We know that
When we expand a number to show the value of each digit, we're writing that number in expanded form

$4,408,730 \\ =4*(1,000,000)+4*(100,000)+8*(1,000)+7*(100)+3*(10)$