Multiple Choice
Solve the problem.
-How many 4-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 if the first digit cannot be 0? Repeated digits are allowed.
A) 9,000
B) 3,024
C) 6,561
D) 6,480
Correct Answer:

Verified
Correct Answer:
Verified
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