How many ways can you arrange four people in a row of four seats?
is this 4P4?
Stacey Warren - Expert brainly.com
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what about for arranging 4 people in 5 seats? is that 5P4?
and arranging 5 people in 4 seats is also 5P4?
Actually both will be 5!
For first case it would be 5*4!=5!
For second case it would be 5*4*3*2 = 5!
If u are taking about arrangement
....so they are both 5P4?
I think so
Yes to both responses. To check we can show that:
4 people in 5 seats: We can always choose a single person whom is not in a seat, and there are 5 ways to do this, while the remaining 4 get a seat, thus: \(5\cdot_4P_4= _5P_4\), while for the latter, we have, simply \(_5P_4\) as the definition of "permute".