Suppose 5 different integers are randomly chosen from between 20 and 69, inclusive.  What is the probability that they each have a different tens digit?
Question:
Suppose 5 different integers are randomly chosen from between 20 and 69, inclusive.  What is the probability that they each have a different tens digit?
Answer:
Let's think step by step.

user
\frac{2500}{52969}
Suppose 5 different integers are randomly chosen from between 20 and 69, inclusive.  What is the probability that they each have a different tens digit?
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