If A is the least positive 5-digit integer with non-zero digits, none of which are repeated, and B is the greatest of such positive integers (5-digit integer with non-zero digits, none of which are repeated), then
B - A =

Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 6 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

Your answer seems reasonable.
Find out if you're right!