Question

which is the greatest 4 digit number in which all digits are different no i​

Answer 1

Answer:

We know that the number is gonna be x*1000+y*100+z*10+w*1 and in this equation , x should have the highest value , y should have the second highest value and so on.

So the answer would be (9*1000) + (8*100) + (7*10) + (6*1) = 9876

Step-by-step explanation:

Answer 2

Answer:

9876

Step-by-step explanation:

9876 is the greatest 4 digit number with all the digits different