Question

Write the least and greatest 4-digit numbers that do not have repeating digits. What is their difference?

Answer 1

Answer:

8853

Step-by-step explanation:

The least 4-digit number would be 1023.

The highest 4-digit number would be 9876.

9876 - 1023 = 8853

Hope this helped. :)

Answer 2

Answer:

Least:4537  Greatest:9876.