question archive 1) How many natural numbers less than 10 000 have at least one "2" in them? 2) How many different 8-letter 'words' can be formed using the letters from the word CANADIAN so that the "D" always immediately precedes the "A"? This is for a Grade 12 Data Management course, dealing with counting techniques, combinations, and permutations

Subject:StatisticsPrice: Bought3

1) How many natural numbers less than 10 000 have at least one "2" in them?

2) How many different 8-letter 'words' can be formed using the letters from the word CANADIAN so that the "D" always immediately precedes the "A"?

This is for a Grade 12 Data Management course, dealing with counting techniques, combinations, and permutations