## How many 5-digit numbers can be formed using the digits 0, 1, 2, 3, 4, 5, 6, if repetition of digits is not allowed? a.119 b.16,807 c.2520 d

Question

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## Answers ( No )

Answer:answer is 2520

Step-by-step explanation:just took the test

Answer:c. 2520

Explanation:Repetition is not allowed, therefore:1st digit can be any of the given 7 numbers

2nd digit can be any of the remaining 6 numbers

3rd digit can be any of the remaining 5 numbers

4th digit can be any of the remaining 4 numbers

5th digit can be any of the remaining 3 numbers

This means that:number of possible combinations = 7 * 6 * 5 * 4 * 3 = 2520 numbers

Hope this helps 🙂