How many integers from 1 through 9999, inclusive, do not contain any of the digits 2, 3, 4 or 5?
Question:
How many integers from 1 through 9999, inclusive, do not contain any of the digits 2, 3, 4 or 5?
Answer:
Let's think step by step.

user
1295
How many integers from 1 through 9999, inclusive, do not contain any of the digits 2, 3, 4 or 5?
train