B. Write the following in standard form.
1. Three billion, two hundred seventy million, twenty thousand, four hundred eighty-eight
2. Nine billion, thirty-six million, five hundred twelve thousand, fifty-three
3. Forty-nine billion, two hundred fifty-eight thousand, seven hundred ninety
4. Two hundred eighteen billion, four hundred thirty-two million, three hundred thirteen.

1. Write the place value of the underlined digit in 481 927 853 607.
2. How much greater is the value of digit 6 on the left to that of the same digit on the right in
864 913 257 609​