Mathematics, 26.08.2021 21:10 klu65
Samuel must choose a 4-digit PIN number. The first 2 digits must be numbers cannot repeat. The 3 and 4th digits are letters that cannot repeat. How many different pins are possible with these restrictions?
A. 58,500
B. 70
C. 46,800
D. 72
Answers: 3
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Samuel must choose a 4-digit PIN number. The first 2 digits must be numbers cannot repeat. The 3 and...
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