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martai:
Megan is in charge of creating a five-digit code to lock and unlock a secure room. She can use any digit from 0 through 9, and she can use each digit as many times as she wants. She knows she wants to start the code with a 7. How many possible codes that start with 7 could Megan create? 10,000 codes 100,000 codes 700,000 codes 70,000 codes
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martai:
WILL IT BE 10,000 OR NO
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