Question: Kanya has forgotten the password for her computer at work. She knows it is 5 digits long and that there are no zeroes or ones.

Kanya has forgotten the password for her computer at work. She knows it is 5 digits long and that there are no zeroes or ones. a) How many possible combinations are there? b) What is the probability that she will guess the password correct in one try? Express the probability as a fraction

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