An integer greater than 9 and less than 100 is randomly chosen. What is the probability that its digits are different?
Question:
An integer greater than 9 and less than 100 is randomly chosen. What is the probability that its digits are different?
Answer:
Let's think step by step.

user
\frac{9}{10}
An integer greater than 9 and less than 100 is randomly chosen. What is the probability that its digits are different?
train