Write five numbers that are at least 8 digits long under standard form write the expanded form and the word form for each number under the appropriate heading

12,568,983
10,000,000+2,000,000+500,000+60,000+
8,000+900+80+3
Twelve million five hundred sixty-eight thousand nine hundred eighty-three

99,999,999
90,000,000+9,000,000+900,000+90,000+9,000+900+90+9
Ninety-nine million nine hundred ninety-nine thousand nine hundred ninety-nine

12,345,678
10,000,000+2,000,000+300,000+40,000+
5,000+600+70+8
Twelve million three hundred forty-five thousand six hundred seventy-eight

49,275,546
40,000,000+9,000,000+200,000+70,000+5,000+500+40+6
Forty-nine million two hundred seventy-five thousand five hundred forty-six

64,834,174
60,000,000+4,000,000+800,000+30,000+4,000+100+70+4
Sixty-four million eight hundred thirty-four thousand one hundred seventy-four