Asked by help a frog out plz

A locker combination has three nonzero digits, and digits cannot be repeated. The first two digits are 9 and 8. What is the probability that the third digit is 7?
Answered by helps this frog
plz
Answered by oobleck
2 digits used, so 1/7 chance of any particular 3rd digit
Answered by froggy
thank you, you legend
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