Answer:
Step-by-step explanation:
Let total number of students
Students went to the book fair:
Students went to book fair
Students who bought book:
Hence of total students bought at least one book.
so lets just rewrite it with A=-3 amd B=-2
(-9^4^-9^2^5)^2
which is equal to... 1!
Hope This Helps!!!
i think the answer is 8