The sum of the place values of all the digits in 5003 is

1. 8

2. 53

3. 5003

4. 8000

In the number 5003:

Place value of 5 (thousands place) = 5 × 1,000 = 5,000.

Place value of 0 (hundreds place) = 0.

Place value of 0 (tens place) = 0.

Place value of 3 (ones place) = 3 × 1 = 3.

Sum = 5,000 + 0 + 0 + 3 = 5,003.

Hence, option 3 is the correct option.