Question

write the smallest 7 digit number having three different digits​

Answer 1

Step-by-step explanation:

Since we have to write the greatest 7-digit number having 3 different digits, we will pick up the three greatest digits 7, 8, 9 out of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8 ,9.

Answer 2

Answer:

We have to write a 7 digit number from three greatest digit

Step 1 - pick out the three largest number out of 1,2,3, 4,5,6,7,8and 9 which is 7 8 and 9

Step - 2 now in 7, 8, 9 9 is the greatest number now next greatest number is 8 and the the last one is 7

Step 3- arrange this in descending order like this there are 7 digit so we will write 9 five times and then 8

One time and then 7.

Now the number will be 9999987