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You pick 7 digits (0-9) at random without replacement, and write them in the order picked. What is the probability that you have written

You pick 7 digits (0-9) at random without replacement, and write them in the order picked. What is the probability that you have written the first 7 digits of your phone number? Assume there are no repeats of digits in your phone number. Give your answer as a fraction.

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