Sarah's three digit personal identification number(pin)for her bank card is between 800and 900.she chose a common multiple of 3,8,and 10he siblings ages what is her pin
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What is the probability that there are no repeated digits? There are 10 possible values for each digit of the PIN (namely: 0, 1, 2, 3, 4, 5, 6, 7, 8, 9), so there are 10 · 10 · 10 · 10 = 104 = 10,000 total possible PIN numbers. ... Hence, there is a 50.4% chance that the 4-digit PIN has no repeated digits.
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