Can you determine the number of digits in the quotient of 637 divided by 7 without dividing? explain.

The number 637 has 3 digits. When you dividing a number by a whole number,  the digits will be lowered if the number in the biggest digit smaller than the dividing number. In 637 number, the bigger digit is 6 which represents 600. Since the dividing number is 7 and it was bigger than 6, that means the number will lose 1 digit and become 2 digits number.