Answer and Explanation:
The value of 5 in 2,458,973 is less than the value of 5 in 4,538,629. This is because within 2,458,973, the 5 is in the ten-thousands place, its value being 50,000. While in 4,538,629, the 5 is in the hundred-thousands place, its value being 500,000, which is much greater than 50,000.
Value of 5 in 2,458,973 < Value of 5 in 4,538,629