1. Expanded Form 56 781 3 905 644 567 834 219 438 240 629 701

2. Expanded Form 56 781 = 50 000 + 6 000 + 700 + 80 + 1 3 905 644 = 3 000 000 + 900 000 + 5 000 + 600 + 40 + 4 567 834 219 = 500 000 000 + 60 000 000 + 7 000 000 + 800 000 + 30 000+ 4 000 + 200 + 10 + 9 438 240 629 701 = 400 000 000 000 + 30 000 000 000 + 8 000 000 000 + 200 000 000 + 40 000 000 + 600 000 + 20 000+9 000 + 700 + 1

3. Written Form 1)86 412 2) 5 308 276 3) 341 008 431 4) 567 825 156 009

4. Written Form 1)8 6 412 Eighty-six thousand four hundred twelve 2) 5 308 276 Five million three hundred eight thousand two hundred seventy-six 3) 341 008 431 Three hundred forty-one million eight thousand four hundred thirty-one 4) 567 825 156 009 Five hundred sixty-seven billion eight hundred twenty-five million one hundred fifty-six thousand nine

5. Standard Form 1)One hundred seventy-nine 2) Eight hundred twenty-three thousand three hundred seven 3)Seven hundred fifty-three thousand three hundred seven 4) Five million three hundred seventy-six thousand eight hundred seventy- four 5) Eight million eight hundred forty thousand eight hundred ninety-three 6) One million six hundred thirty-four thousand two 7) Four trillion six hundred seven billion four hundred twenty-six million five hundred thousand six hundred four

6. Standard Form 1) One hundred seventy-nine = 179 2) Eight hundred twenty-three thousand three hundred seven = 823 307 3)Seven hundred fifty-three thousand three hundred seven = 753 307 4) Five million three hundred seventy-six thousand eight hundred seventy-four = 5 376 874 5) Eight million eight hundred forty thousand eight hundred ninety-three = 8 840 893 6) One million six hundred thirty-four thousand two = 1 634 002 7) Four trillion six hundred seven billion four hundred twenty-six million five hundred thousand six hundred four = 4 607 426 500 604

7. Decimal Form 1)3 210 432 2)123 418 009 3)1 943 010 4)89 670 167 5)3 989 976 6)78 782 761 097

8. Decimal Form 1)3 210 432 = 3.2 million 2)123 418 009 = 123.4 million 3)1 943 010 = 1.9 million 4)89 670 167 = 89.7 million 5)3 989 976 = 4.0 million 6)78 782 761 097 = 78.8 billion