find the difference between the greatest and smallest 7 digit number that can be formed by the digit 7,1,4 and 3 if repetition of digit is allowed
Answers
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Answer:
6666084
Explanation:
Given:
- Digits 7, 1, 4 and 3 to form 7-digit numbers
- Repetition is allowed.
To Find:
- What's difference between the greatest and the smallest 7-digit nunber?
Solution:
By digits 7, 1, 4 and 3
☆ The greatest 7-digit number = 7777431
☆ The smallest 7-digit number = 1111347
Therefore, difference = greatest - smallest number
= 7777431 - 1111347
= 6666084
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