Which of the following is incorrect?

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A There are 20 tens in 200
B Nine hundred is same as 900 ones
C The face value of 3 in 319 is 100
D The place value of 9 in 198 is 90.

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Answer: C. The face value of 3 in 319 is 100

a. There are 20 tens in 200: Correct.
b. Nine hundred is same as 900 ones: Correct. Nine hundred as a number is 900. 900 x 1 = 900
c. The face value of 3 in 319 is 100: Incorrect. The face value of a digit is the digit itself, regardless of its position. Therefore, the face value of 3 is 3.
d. The place value of 9 in 198 is 10: Correct.

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Which of the following is incorrect?

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