Final answer:
The difference between the place value and the face value of 9 in the numeral 3901 is 900. The place value of 9 is determined by its position in the number, which is in the thousands place.The difference between the place value and the face value of 9 in the numeral 3901 is 900.
Step-by-step explanation:
The difference between the place value and the face value of 9 in the numeral 3901 is 900. The place value of 9 is determined by its position in the number, which is in the thousands place. Therefore, the place value of 9 is 9000. The face value of 9 is simply 9 itself. Subtracting the face value from the place value gives us the difference, which is 900.