Final answer:
The greatest value within the number 5,001 is the digit 5, which is the largest digit in this four-digit number.
Step-by-step explanation:
The question 'What is Greatest value of 5,001' seems to imply that we're looking for the largest digit in the given numerical value, which in this case is 5,001. The greatest value among the digits of the number 5,001 is 5. To arrive at this conclusion, we simply compare each digit in the number. The digits are 5, 0, 0, and 1. Of these, 5 is the largest digit, hence it represents the greatest value within the number 5,001