I would think you need to start with parenthesis, so 3^-2=9, which is the same than 3^2; then you multiply by the -3, to equal 3^-6. I think I read too much into it.
Please point out the flaw in my approach. I followed the MGMT inequalities rules in handling this question.. let the quantity of hardcover books be x Statement 1 25x is greater than or equal to 150 therefore x is greater than or equal to 6 Insufficient. Statement 2 8(GT10)+25x < 260 Therefore GT...