You pick 3 digits (0-9) at random without replacement, and write them in the order picked. What is the probability that you have written the first 3 digits of your phone number? Assume there are no repeats of digits in your phone number. Give your answer as a fraction.
Added by Jeremy P.
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This is given by the formula \(10 \times 9 \times 8 = 720\). ** Show more…
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