70,000 + 3,000 + 400 + 80 + 9
To write the expanded form of : 73,489.
Expanded Number Notation: To write a number is to show the value of each digit.
As a sum of each digit multiplied by its matching place value ( i.e, ones, tens, hundreds, thousands etc.)
Then, the expanded form of number 73,489;
Therefore, the expanded form of number
no not all of them.
some of them have a square base.
the answer is c just got it on ed