How many numbers (up to a maximum of four digit numbers) can be made from the digits 2, 3, 4, 5, and 6 if no digit can be repeated?
(5 nPr 1) + (5 nPr 2) + (5 nPr 3) + (5 npr 4) =5 + 20 + 60 + 120 =205 integers.
