Into every life, errors must come. Sometimes edits I think I put in there didn't entirely make it. Other times I have a typo. When I gather a handful of them, I'll upload an corrected manuscript. In the meantime, I'll post corrections here.
Crunchy Word Problems #4
As the question is written, the answer should be 1023. That's the smallest 4-digit number without repeating digits that doesn't start with a 0.
This is an example of an edit that didn't quite make it.
The question originally read, "What's the smallest 4-digit number without repeating digits or using 0?" That would be 1234.