Question

Need help 25-29 please helpppp

Answer 1

Download this math calculator and when it download it will tell you what to do the next steps hope i helped a little

Answer 2

Four billion, seven hundred twenty-five million

Seventy-two billion, two hundred million, twenty

Twelve billion, twenty-five million, six hundred seventeen thousand, eight hundred and nine

Five hundred billion, four hundred seventy six million, eight hundred seven thousand, one hundred thirty-nine

Twenty-three billion, five hundred thirty nine million, four hundred seventeen thousand, one hundred forty eight