How many different four-digit numbers can be made using the digits 1, 2, 3, 4, 5, 6 if no digit can be used more than once?

Mathematics

1 answer:

Allushta [10]3 years ago

4 0

This is 6P4
the number of permutations of 4 from 6. 6! / 2!

= 6*5*4*3* 2 / 2 = 360

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