Question

write all possible number using digit 6,2,8​

Answer 1

Step-by-step explanation:

628 ,682,268,286,826,862,

Answer 2

Now you have 5 digits - 2, 3, 6, 7, 9remaining. So you can select 5 digits for tens place and as repeatation is not allowed, for hundreds place you canselect remaining 4 digits. So final answer is 4 * 5 * 1 = 20 numbers can be formed.