Final answer:
The number seven hundred twenty-nine trillion, four hundred forty-eight billion, five hundred sixty million, six hundred fourteen thousand, six hundred sixteen is written as 729,448,560,614,616 in digits and expressed in scientific notation as 7.29448560614616 × 10²².
Step-by-step explanation:
The number seven hundred twenty-nine trillion, four hundred forty-eight billion, five hundred sixty million, six hundred fourteen thousand, six hundred sixteen expressed using digits is 729,448,560,614,616.
To express this astronomical sum of money in scientific notation, we need to place the decimal after the first digit and count the number of places we move the decimal to the right to get to the end of the number. The scientific notation for 729,448,560,614,616 is therefore 7.29448560614616 × 10²².
The number seven hundred twenty-nine trillion, four hundred forty-eight billion, five hundred sixty million, six hundred fourteen thousand, six hundred sixteen can be written using digits as 729,448,560,614,616.